Difference between revisions of "User:Horzel"

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Hi, I'm a long-time SF reader and collector (2500+ items). Part of my collection consists of Dutch translations.<br>
 
Hi, I'm a long-time SF reader and collector (2500+ items). Part of my collection consists of Dutch translations.<br>
You can find some of my cover scans at [http://www.flickr.com/photos/55422932@N06/ Flickr.com]. Feel free to copy them (resized to 600 dots) for cover art on isfdb.org. Everyone else does.
+
You can find some of my cover scans at [http://www.flickr.com/photos/55422932@N06/ Flickr.com]. Feel free to copy them (resized to 600 dots) for cover art on isfdb.org. Everyone else does (see Pinterest, Tumblr, etc).
  
  
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Some artists to add:<br>
 
Some artists to add:<br>
[http://www.isfdb.org/cgi-bin/pl.cgi?404305 Ring Around the Sun, WDL 1960] - Edgar Hodges - acc to signature (same art style is visible on quite a few covers of WDL / Consul / Five Star (UK)).<br>
+
<br>
[http://www.isfdb.org/cgi-bin/pl.cgi?285769 Bypass to Otherness, Consul 1963] - Pino dell' Orco - acc to signature<br>
 
[http://www.isfdb.org/cgi-bin/pl.cgi?285701 The Hour of the Phoenix, Consul 1964] - Josh Kirby - acc to [http://ansible.uk/misc/joshlist.html Kirby checklist].<br><br>
 
 
[http://www.isfdb.org/cgi-bin/pl.cgi?258838 Angels and Spaceships, Four Square 1962] - Josh Kirby - acc to [http://ansible.uk/misc/joshlist.html Kirby checklist].<br>
 
[http://www.isfdb.org/cgi-bin/pl.cgi?258838 Angels and Spaceships, Four Square 1962] - Josh Kirby - acc to [http://ansible.uk/misc/joshlist.html Kirby checklist].<br>
[http://www.isfdb.org/cgi-bin/pl.cgi?487649 Creeps By Night, Four Square 1966] - Michael Leonard - acc to vague signature 'Leonard'. Also used on Ace ...<br>
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[http://www.isfdb.org/cgi-bin/pl.cgi?316578 Tarzan of the Apes, Four Square 1967] - Josh Kirby - acc to [http://www.ha.com/itm/original-comic-art/illustrations/josh-kirby-tarzan-of-the-apes-illustration-original-art-1967-/a/88012-91463.s ha.com] and [http://ansible.uk/misc/joshlist.html Kirby checklist]. More than a few other Tarzans are on that checklist<br>
[http://www.isfdb.org/cgi-bin/pl.cgi?316578 Tarzan of the Apes, Four Square 1967] - Josh Kirby - acc to [http://www.ha.com/itm/original-comic-art/illustrations/josh-kirby-tarzan-of-the-apes-illustration-original-art-1967-/a/88012-91463.s ha.com] and [http://ansible.uk/misc/joshlist.html Kirby checklist]. More than a few other Tarzans are on that checklist<br>
+
[http://www.isfdb.org/cgi-bin/pl.cgi?52921 Untouched by Human Hands, Four Square 1967] - Josh Kirby - acc to [http://ansible.uk/misc/joshlist.html Kirby checklist].<br>
[http://www.isfdb.org/cgi-bin/pl.cgi?52921 Untouched by Human Hands] - Josh Kirby - acc to [http://ansible.uk/misc/joshlist.html Kirby checklist].<br>
 
 
<br>
 
<br>
[http://www.isfdb.org/cgi-bin/pl.cgi?376237 Guardians of Time, Pan 1972] - Ian Miller - acc to [http://www.comicartfans.com/gallerypiece.asp?piece=1169002 comicartfans] and [http://www.tikit.net/Blog/Sax/AndersonMiller.htm tikit.net].<br>
+
[http://www.isfdb.org/cgi-bin/pl.cgi?176711 S Is For Space, Pan 1972] - Ian Miller - based on style and acc to [http://www.tikit.net/Blog/Sax/AndersonMiller.htm tikit.net].<br>
[http://www.isfdb.org/cgi-bin/pl.cgi?230537 Galactic Pot-Healer, Pan 1972] - Ian Miller - same art as on 1977 ed.<br>
 
[http://www.isfdb.org/cgi-bin/pl.cgi?176711 S Is For Space, Pan 1972] - Ian Miller - not enough proof.<br>
 
 
[http://www.isfdb.org/cgi-bin/pl.cgi?166261 A Maze of Death, Pan 1973] - Ian Miller - acc to [http://www.comicartfans.com/GalleryPiece.asp?Piece=1187739&GSub=162994 comicartfans]<br>
 
[http://www.isfdb.org/cgi-bin/pl.cgi?166261 A Maze of Death, Pan 1973] - Ian Miller - acc to [http://www.comicartfans.com/GalleryPiece.asp?Piece=1187739&GSub=162994 comicartfans]<br>
[http://www.isfdb.org/cgi-bin/title.cgi?669421 Zardoz, Pan 1974] - Ron Lesser - acc to many movie poster sites<br>
+
[http://www.isfdb.org/cgi-bin/pl.cgi?44698 Nightmare Reader Vol 1, Pan 1976] - Alan Lee - acc to [http://www.stephenjoneseditor.com/wfc2013/goh-alee01.html Stephen Jones, WFC 2013]<br>
[http://www.isfdb.org/cgi-bin/pl.cgi?44698 Nightmare Reader Vol 1, Pan 1976] - Alan Lee - acc to [http://www.stephenjoneseditor.com/wfc2013/goh-alee01.html]<br>
+
[http://www.isfdb.org/cgi-bin/pl.cgi?264759 17th Pan Book of Horror, Pan 1976] - Alan Lee - acc to [http://www.stephenjoneseditor.com/wfc2013/goh-alee01.htmlStephen Jones, WFC 2013]<br>
[http://www.isfdb.org/cgi-bin/pl.cgi?264759 17th Pan Book of Horror, Pan 1976] - Alan Lee - acc to [http://www.stephenjoneseditor.com/wfc2013/goh-alee01.html]<br>
 
[http://www.isfdb.org/cgi-bin/pl.cgi?87505 The Door Into Summer, Pan 1977] - Gino d'Achille - acc to [http://www.ginodachille.com/gallery/commercial-art/01-science-fantasy/18/ ginodachille.com], see Untitled 01. (Not yet PV'd). <br>
 
 
[http://www.isfdb.org/cgi-bin/pl.cgi?149911 Other Days, Other Eyes, Pan 1978] - Stuart Hughes (artist) - acc to Welshgriffin, see [https://www.flickr.com/photos/55422932@N06/7175351776/ Flickr].<br>
 
[http://www.isfdb.org/cgi-bin/pl.cgi?149911 Other Days, Other Eyes, Pan 1978] - Stuart Hughes (artist) - acc to Welshgriffin, see [https://www.flickr.com/photos/55422932@N06/7175351776/ Flickr].<br>
 
[http://www.isfdb.org/cgi-bin/pl.cgi?278254 Suaine and the Crow God, NEL 1975] - Ian Miller - acc to [http://www.comicartfans.com/GalleryPiece.asp?Piece=1187940&GSub=162994 comicartfans].<br>
 
[http://www.isfdb.org/cgi-bin/pl.cgi?278254 Suaine and the Crow God, NEL 1975] - Ian Miller - acc to [http://www.comicartfans.com/GalleryPiece.asp?Piece=1187940&GSub=162994 comicartfans].<br>
 +
<br>
 +
[http://www.isfdb.org/cgi-bin/pl.cgi?194505 The Green Girl (Avon 1950)] - Ray Johnson - acc to some internet sites, source of attribution unknown.<br>
 +
[http://www.isfdb.org/cgi-bin/pl.cgi?2477 An Earthman on Venus (Avon 1950)] - Ray Johnson - acc to some internet sites, source of attribution unknown.<br>
 +
[http://www.isfdb.org/cgi-bin/pl.cgi?45632 The Princess of the Atom (Avon 1950)] - Ray Johnson - acc to some internet sites, source of attribution unknown.<br>
 
<br>
 
<br>
 
[http://www.isfdb.org/cgi-bin/pl.cgi?21625 The Secret Visitors, Ace 1957] - Ed Valigursky - acc to style and [http://www.munchkinpress.com/cpg149/displayimage.php?album=134&pos=36 munchkinpress.com].<br>
 
[http://www.isfdb.org/cgi-bin/pl.cgi?21625 The Secret Visitors, Ace 1957] - Ed Valigursky - acc to style and [http://www.munchkinpress.com/cpg149/displayimage.php?album=134&pos=36 munchkinpress.com].<br>
[http://www.isfdb.org/cgi-bin/pl.cgi?28836 The Space Willies, Ace 1960] - (Arthur?) Renshaw - acc to signature on [https://www.flickr.com/photos/admiralironbombs/6264765076/ this copy at Flickr].<br>
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[http://www.isfdb.org/cgi-bin/pl.cgi?47622 The Space Willies, Ace 1960] - (Arthur?) Renshaw - acc to signature on [https://www.flickr.com/photos/alittleblackegg/27064018372 this copy at Flickr] (link corrected 2019/03).<br>
[http://www.isfdb.org/cgi-bin/pl.cgi?28836 Sanctuary in the Sky, Ace 1960] - Basil Gogos - acc to [http://www.munchkinpress.com/cpg149/displayimage.php?album=32&pos=6 munchkinpress.com].<br>
 
 
[http://www.isfdb.org/cgi-bin/pl.cgi?27543 Rebels of the Red Planet, Ace 1961] - Ed Emshwiller - acc to [http://www.munchkinpress.com/cpg149/displayimage.php?album=31&pos=34 munchkinpress.com].<br>
 
[http://www.isfdb.org/cgi-bin/pl.cgi?27543 Rebels of the Red Planet, Ace 1961] - Ed Emshwiller - acc to [http://www.munchkinpress.com/cpg149/displayimage.php?album=31&pos=34 munchkinpress.com].<br>
[http://www.isfdb.org/cgi-bin/pl.cgi?25465 Outside the Universe, Ace 1964] - Ed Valigursky - acc to [http://www.munchkinpress.com/cpg149/displayimage.php?album=13&pos=159 munchkinpress.com].<br>
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[http://www.isfdb.org/cgi-bin/pl.cgi?25465 Outside the Universe, Ace 1964] - Ed Valigursky - acc to [http://www.comicartfans.com/gallerypiece.asp?piece=1183106 comicartfans.com].<br>
 +
[http://www.isfdb.org/cgi-bin/pl.cgi?8175 Crashing Suns, Ace 1965] - Ed Valigursky - acc to [http://www.munchkinpress.com/cpg149/displayimage.php?album=13&pos=159 munchkinpress.com].<br>
 +
[http://www.isfdb.org/cgi-bin/pl.cgi?259081 Moon of Three Rings, Ace 1970] and 1974 - John Schoenherr - acc to [http://andre-norton-books.com/archive/Titles_M/Moon_of_3_Rings/Moon_of_3_Rings.htm Andre Norton site]. It would be nice to find a copy of [http://www.isfdb.org/cgi-bin/pl.cgi?274258 John Schoenherr SF Checklist]...<br>
 +
[http://www.isfdb.org/cgi-bin/pl.cgi?259204 Secret of the Lost Race, Ace 1971] and 1974 - Josh Kirby - acc to [http://ansible.uk/misc/joshlist.html Kirby checklist].<br>
 
[http://www.isfdb.org/cgi-bin/pl.cgi?1306 A Trace of Dreams, Ace 1972] - Davis Meltzer - based on style and the signature 'DM', even though Meltzer usually signed with 'Meltzer' or 'Davis Meltzer'.<br>
 
[http://www.isfdb.org/cgi-bin/pl.cgi?1306 A Trace of Dreams, Ace 1972] - Davis Meltzer - based on style and the signature 'DM', even though Meltzer usually signed with 'Meltzer' or 'Davis Meltzer'.<br>
[http://www.isfdb.org/cgi-bin/pl.cgi?55442 Seven from the Stars] - Ed Emshwiller - There's a very similar preliminary art at ha.com credited to him, for comparison see [https://www.flickr.com/photos/55422932@N06/17972428311/ here] at Flickr.<br>
+
[http://www.isfdb.org/cgi-bin/pl.cgi?107431 The Galaxy Primes, Ace 1976] - R. deAnda - acc to signature, compare to [http://www.isfdb.org/cgi-bin/pl.cgi?257862 Noah II].<br>
 +
[http://www.isfdb.org/cgi-bin/pl.cgi?257714 Naked to the Stars (Ace 1980)] - Enric - Original art at ha.com shows signature 'Enrich'.<br>
 +
[http://www.isfdb.org/cgi-bin/pl.cgi?55442 Seven from the Stars, Ace 1962] - Ed Emshwiller - There's very similar preliminary art at ha.com credited to him, for comparison see [https://www.flickr.com/photos/55422932@N06/17972428311/ here] at Flickr, or see [http://people.uncw.edu/smithms/F-series.html Ace Image Library].<br>
 +
[http://www.isfdb.org/cgi-bin/pl.cgi?47406 The Sky Is Falling], [http://www.isfdb.org/cgi-bin/pl.cgi?227753 Born Under Mars] and [http://www.isfdb.org/cgi-bin/pl.cgi?197273 The Best from Fantasy and Science Fiction: 19th Series] (all Ace 1973) have the same not quite readable signature, something like 'PDRICK'. Based on style, [http://www.isfdb.org/cgi-bin/pl.cgi?195693 Envoy to New Worlds], [http://www.isfdb.org/cgi-bin/pl.cgi?267346 Perry Rhodan #43], [http://www.isfdb.org/cgi-bin/pl.cgi?267349 PR #44] and [http://www.isfdb.org/cgi-bin/pl.cgi?267548 PR #48] are painted by the same artist.
 
<br>
 
<br>
[http://www.isfdb.org/cgi-bin/pl.cgi?226757 The Weird Ones, Belmont 1962] - John Schoenherr - according to Ian Schoenherr [https://www.flickr.com/photos/jef/6842252371/ here]<br>
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[http://www.isfdb.org/cgi-bin/pl.cgi?51574 Time Untamed, BT 1972] - (George?) Alvara - acc to [http://comics.ha.com/itm/original-comic-art/illustrations/alvara-time-and-space-fantasy-illustration-illustration-original-art-undated- ha.com]<br>
+
<BR>
 +
FMA appears to be a signature of Franco Accornero, according to several art sellers. Which makes sense, since signatures FMA and Accornero are both found on mid-1970s Warner paperbacks. Someone who contacted me on the previous statement, wrote me later that he'd mailed Accornero, who confirmed he was FMA.<BR>
 
<br>
 
<br>
On the other hand:<br>
+
On the other hand, some ISFDB cover art attributions I doubt:<br>
[http://www.isfdb.org/cgi-bin/pl.cgi?51277 Through a Glass Clearly] does not look like Josh Kirby and is not on Kirby checklist.<br>
+
[http://www.isfdb.org/cgi-bin/pl.cgi?51277 Through a Glass Clearly (Four Square 1967)] does not look like Josh Kirby and is not on Kirby checklist.<br>
 +
[http://www.isfdb.org/cgi-bin/pl.cgi?451243 The October Country (NEL 1970)]  does not look like Josh Kirby and is not on Kirby checklist (despite credit in SF Monthly).<br>
 +
[http://www.isfdb.org/cgi-bin/pl.cgi?290228 Citizen in Space (NEL 1969)] is on the Bruce Pennington checklist, and does look like rudimentary Pennington. Strike that AbeBooks credit to Ronald Ferns.<br>
 
[http://www.isfdb.org/cgi-bin/pl.cgi?192269 20 Million Miles to Earth] is not the exactly same cover as on the Italian translation and is of course not by Luigi Garonzi (probably by Ed Valigursky).<br>
 
[http://www.isfdb.org/cgi-bin/pl.cgi?192269 20 Million Miles to Earth] is not the exactly same cover as on the Italian translation and is of course not by Luigi Garonzi (probably by Ed Valigursky).<br>
[http://www.isfdb.org/cgi-bin/pl.cgi?45161 The Pawns of Null-A]'s style points to Ed Emshwiller, not Ed Valigursky. A vague signature EMSH appears to be visible at high magnification.<br>
+
[http://www.isfdb.org/cgi-bin/pl.cgi?45161 The Pawns of Null-A (Ace 1956)]'s style points to Ed Emshwiller, not Ed Valigursky. A vague signature EMSH appears to be visible at high magnification.<br>
 +
[http://www.isfdb.org/cgi-bin/pl.cgi?38731 The Dragon Masters (Ace 1972)] does not look like Josh Kirby and is not on Kirby checklist. The stippling suggests that the artist may be the same Lloyd who provided the flipside. (Where does this Lloyd come from? The stippling also reminds me of early Brian Froud ?!)<br>
 +
 
 +
[http://www.isfdb.org/cgi-bin/pl.cgi?47576 The Sound of His Horn (Ballantine 1960)] is currently credited to Richard Powers, but acc to ha.com this should be [http://www.isfdb.org/cgi-bin/ea.cgi?26761 (Robert) Blanchard].<br>
 +
[http://www.isfdb.org/cgi-bin/pl.cgi?30 And Some Were Human (Ballantine 1961)] is currently credited to Richard Powers, but acc to [https://fineart.ha.com/itm/pulp-pulp-like-digests-and-paperback-art/ralph-brillhart-american-20th-century-and-some-were-human-paperback-cover-1961gouache-and-tempera-on-board167-total-2-items-/a/5185-72458.s ha.com] this should be [http://www.isfdb.org/cgi-bin/ea.cgi?27086 Ralph Brillhart].<br>
 +
[http://www.isfdb.org/cgi-bin/pl.cgi?13645 Fire Past the Future (Ballantine 1960)] is currently credited to Richard Powers, but also looks like the work of Blanchard.<br>
 +
I also have doubts about [http://www.isfdb.org/cgi-bin/pl.cgi?52488 Turn Left at Thursday] and [http://www.isfdb.org/cgi-bin/pl.cgi?262243 The October Country (Ballantine 1964)].<br>
 +
And [http://www.isfdb.org/cgi-bin/pl.cgi?192137 The Diabols] is credited to Powers, but looks a lot like [https://www.flickr.com/photos/pulpcrush/6952191582/ this cover] by Tom Adams (cover previously used on [https://www.ebay.com/itm/Oddities-Rupert-T-Gould-PB-Occult-True-Events-1969-First-Print-Paperback-Book-VG/192726787725?hash=item2cdf69668d:g:lNIAAOSwUulbxemD:rk:6:pf:0 Oddities], another Paperback Library cover from 1969). <br>
 +
Where did Jane Frank get the Powers credits from? From abebooks.com?<br>
 +
[http://www.isfdb.org/cgi-bin/pl.cgi?181 5 Unearthly Powers (Fawcett Gold Medal 1965)] looks like Jack Faragasso's work. Powers is NOT even credited for this in The Art of Richard Powers.<br>
 +
 
 +
[http://www.isfdb.org/cgi-bin/pl.cgi?21666 Masters of Everon (Ace 1980)] looks like Vicente Segrelles, not Enric.<br>
 +
 
 +
[http://www.isfdb.org/cgi-bin/pl.cgi?198709 Cryptozoic (Avon 1977)] - Obviously painted in the style of Dean Ellis, so the credit (remaining from an earlier edition) to Don Ivan Punchatz should be removed.<br>
 
<br>
 
<br>
A note about munchkinpress.com (The Illustration Exchange): The links are only semi-permanent. If the link does not point to the correct artwork anymore, use the site's search facility, or use Google.<br>
+
A note about munchkinpress.com (The Illustration Exchange): The site is now only and not quite completely to be found on archive.org. A sad loss.<br>

Latest revision as of 09:20, 12 March 2021

Hi, I'm a long-time SF reader and collector (2500+ items). Part of my collection consists of Dutch translations.
You can find some of my cover scans at Flickr.com. Feel free to copy them (resized to 600 dots) for cover art on isfdb.org. Everyone else does (see Pinterest, Tumblr, etc).


I'm currently spending most of my time here adding cover artists to publications. Much remains to be done in this area.
I've got a few dozen sf art books to aid me, starting with:
- Patrick Woodroffe - Mythopoeikon
- Peter Jones - Solar Wind
See also SF art book tag.

Working list of external sites:
- Colin Hay
- Tony Roberts

Some artists to add:

Angels and Spaceships, Four Square 1962 - Josh Kirby - acc to Kirby checklist.
Tarzan of the Apes, Four Square 1967 - Josh Kirby - acc to ha.com and Kirby checklist. More than a few other Tarzans are on that checklist
Untouched by Human Hands, Four Square 1967 - Josh Kirby - acc to Kirby checklist.

S Is For Space, Pan 1972 - Ian Miller - based on style and acc to tikit.net.
A Maze of Death, Pan 1973 - Ian Miller - acc to comicartfans
Nightmare Reader Vol 1, Pan 1976 - Alan Lee - acc to Stephen Jones, WFC 2013
17th Pan Book of Horror, Pan 1976 - Alan Lee - acc to Jones, WFC 2013
Other Days, Other Eyes, Pan 1978 - Stuart Hughes (artist) - acc to Welshgriffin, see Flickr.
Suaine and the Crow God, NEL 1975 - Ian Miller - acc to comicartfans.

The Green Girl (Avon 1950) - Ray Johnson - acc to some internet sites, source of attribution unknown.
An Earthman on Venus (Avon 1950) - Ray Johnson - acc to some internet sites, source of attribution unknown.
The Princess of the Atom (Avon 1950) - Ray Johnson - acc to some internet sites, source of attribution unknown.

The Secret Visitors, Ace 1957 - Ed Valigursky - acc to style and munchkinpress.com.
The Space Willies, Ace 1960 - (Arthur?) Renshaw - acc to signature on this copy at Flickr (link corrected 2019/03).
Rebels of the Red Planet, Ace 1961 - Ed Emshwiller - acc to munchkinpress.com.
Outside the Universe, Ace 1964 - Ed Valigursky - acc to comicartfans.com.
Crashing Suns, Ace 1965 - Ed Valigursky - acc to munchkinpress.com.
Moon of Three Rings, Ace 1970 and 1974 - John Schoenherr - acc to Andre Norton site. It would be nice to find a copy of John Schoenherr SF Checklist...
Secret of the Lost Race, Ace 1971 and 1974 - Josh Kirby - acc to Kirby checklist.
A Trace of Dreams, Ace 1972 - Davis Meltzer - based on style and the signature 'DM', even though Meltzer usually signed with 'Meltzer' or 'Davis Meltzer'.
The Galaxy Primes, Ace 1976 - R. deAnda - acc to signature, compare to Noah II.
Naked to the Stars (Ace 1980) - Enric - Original art at ha.com shows signature 'Enrich'.
Seven from the Stars, Ace 1962 - Ed Emshwiller - There's very similar preliminary art at ha.com credited to him, for comparison see here at Flickr, or see Ace Image Library.
The Sky Is Falling, Born Under Mars and The Best from Fantasy and Science Fiction: 19th Series (all Ace 1973) have the same not quite readable signature, something like 'PDRICK'. Based on style, Envoy to New Worlds, Perry Rhodan #43, PR #44 and PR #48 are painted by the same artist.


FMA appears to be a signature of Franco Accornero, according to several art sellers. Which makes sense, since signatures FMA and Accornero are both found on mid-1970s Warner paperbacks. Someone who contacted me on the previous statement, wrote me later that he'd mailed Accornero, who confirmed he was FMA.

On the other hand, some ISFDB cover art attributions I doubt:
Through a Glass Clearly (Four Square 1967) does not look like Josh Kirby and is not on Kirby checklist.
The October Country (NEL 1970) does not look like Josh Kirby and is not on Kirby checklist (despite credit in SF Monthly).
Citizen in Space (NEL 1969) is on the Bruce Pennington checklist, and does look like rudimentary Pennington. Strike that AbeBooks credit to Ronald Ferns.
20 Million Miles to Earth is not the exactly same cover as on the Italian translation and is of course not by Luigi Garonzi (probably by Ed Valigursky).
The Pawns of Null-A (Ace 1956)'s style points to Ed Emshwiller, not Ed Valigursky. A vague signature EMSH appears to be visible at high magnification.
The Dragon Masters (Ace 1972) does not look like Josh Kirby and is not on Kirby checklist. The stippling suggests that the artist may be the same Lloyd who provided the flipside. (Where does this Lloyd come from? The stippling also reminds me of early Brian Froud ?!)

The Sound of His Horn (Ballantine 1960) is currently credited to Richard Powers, but acc to ha.com this should be (Robert) Blanchard.
And Some Were Human (Ballantine 1961) is currently credited to Richard Powers, but acc to ha.com this should be Ralph Brillhart.
Fire Past the Future (Ballantine 1960) is currently credited to Richard Powers, but also looks like the work of Blanchard.
I also have doubts about Turn Left at Thursday and The October Country (Ballantine 1964).
And The Diabols is credited to Powers, but looks a lot like this cover by Tom Adams (cover previously used on Oddities, another Paperback Library cover from 1969).
Where did Jane Frank get the Powers credits from? From abebooks.com?
5 Unearthly Powers (Fawcett Gold Medal 1965) looks like Jack Faragasso's work. Powers is NOT even credited for this in The Art of Richard Powers.

Masters of Everon (Ace 1980) looks like Vicente Segrelles, not Enric.

Cryptozoic (Avon 1977) - Obviously painted in the style of Dean Ellis, so the credit (remaining from an earlier edition) to Don Ivan Punchatz should be removed.

A note about munchkinpress.com (The Illustration Exchange): The site is now only and not quite completely to be found on archive.org. A sad loss.