Publisher:Stanley Paul & Co.
The name "Stanley Paul & Co." can be confirmed for the early twentieth century at The Internet Archive on non Spec. Fiction works, while the only secondary sources are available to date on SF Works.
Three 1909 newspaper advertisements display footers:
- Stanley Paul & Co., Clifford's Inn, London
- Stanley Paul, Clifford's Inn, London
One 1910 newspaper advertisement displays footer:
- Stanley Paul and Co., 1, Clifford's Inn, London
- Stanley Paul
- 1915, 1926 (Secondary Source - Bleiler78)
- London (Bleiler78)
- 1915, 1926
- 31, Essex Strett, Strand, W.C.
- [C]1915 (Internet Archive)