Mystery Web Guide, compiled by Magic Dragon Multimedia (Jonathan Vos Post).
Index to Science Fiction Anthologies and Collections, Combined Edition. An index to 3,323 SF anthologies and single-author collections published before 1984, containing over 23,000 works by 3,814 authors, by William G. Contento.
The Locus Index: Science Fiction, Fantasy, & Horror: 1984-1996 by Charles N. Brown & William G. Contento.
The Horror Reference by David Carroll.
Authors and Books Recommended by Book Lovers 1995 compiled by Laurie Botes Zaepfel.
Index to Female Writers In Science Fiction, Fantasy & Utopia: 18th Century to the Present by Laura Quilter.
Pseudonyms from The VTSF online speculative fiction project.
Pseudonyms at Sherry Sharpe's Reader's Advisory.
Author Pseudonyms at Book Browser.
The Literary Times / Romance.
Pseudonyms: Mystery Writers, Sci-Fi Authors , Horror and Fantasy Writers, at CyberSpace Spinner's Fiction Archives.
Historical Novel Authors Pseudonyms List at Soon's Historical Fiction Page.
Authors' Pseudonyms/Also Known As (AKAs) at Melissa K. Aslinger's The Romantic's Corner.
Nom de Guerre at the homepage of Mark Aaron Samwick.
Noms de Plume at Doris Blechman's It's a Mystery.
Authors 'N Books from the Rose Hill Gallery in South Boston, Virginia.
Declarations of pseudonyms and their resolutions in the US Catalog of Copyright Entries (Renewals) from kingkong.
Stan Paregien, Sr.'s Pen Names of Western Writers.
Many people have written with suggestions and corrections, which are welcome and greatly appreciated. Thank you!
There are certainly innumerable errors of omission, and undoubtedly many of commission. If you know of some which are missing or mis-listed, please don't hesitate to send me e-mail.