Reference:Verification Sources

Purpose: To provide an overview of what information is available through each of the verification sources. Database users will understand which fields are verified when a record has been marked verified by one of these sources.

Reference	Last Year	Title	Author	Year	Publisher	Pages	Binding	ISBN / Catalog	Price	Cover Artist	Contents	First Editions	Reprints	Variant Titles
Clute/Nicholls	1993	All	All	All	None	None	None	None	None	None	None	All	None	All
Clute/Grant	1997	All	All	All	None	None	None	None	None	None	None	All	None	All
Contento1	1984	All	All	All	All	Some	Some	Some	Some	None	All	All	None	Most
Locus1	2007	All	All	All	All	All	All	All	All	Most	All	All	Some	Most
Reginald1	1974	All	All	All	All	All	All	None	None	None	None	All	None	All
Reginald3	1991	All	All	All	All	All	All	None	None	None	None	All	None	All
Tuck	1968	All	All	All	All	All	All	All	All	Some	All	All	All	All
Miller/Contento	2007	All	All	All	All	All	All	N/A	All	Most	All	N/A	N/A	N/A
Bleiler1	1936	All	All	All	All	None	None	None	None	None	None	All	None	None
Currey	1977	All	All	All	All	All	All	Some	Some	None	Some	All	None	All
Bleiler78	1948	All	All	All	All	All	None	None	None	None	None	All	None	None
OCLC/Worldcat	current	All	All	All	All	Most	Dim	Most	None	Some	Some	Edit	Edit	Edit

Legend

Key	Description
All	Source provides all of the information for this field.
None	Source provides none of the information for this field.
Some	Source provides some information to a varying degree, but not for every publication.
Most	Source provides the information for a large percentage of publications, but not for all.
N/A	As a source for magazine publications, this field is not applicable to this source.
Dim	Source provides dimensions which can establish binding only to an uncertain degree.
Edit	Source provides edition and printing information, but not on a reliable basis.