There are also a number of subsidiary indexes:

• Index to Science Fiction Anthologies and Collections Covers those published through 1983. Continued in The Locus Index.
• The Crime Fighters by W.O.G. Lofts and Derek Adley (under construction)
• Authors Included in LITERARY WRITINGS IN AMERICA: A BIBLIOGRAPHY by Dennis Lien
• The Science Fiction Pornography Index by Kenneth R. Johnson
• The Fantasy Gothics Index by Kenneth R. Johnson
• The Futuristic Romances Index by Kenneth R. Johnson

and a number of single-author bibliographies:

• Bibliography of Erolie Pearl Gaddis Dern (1895-1966) by Kenneth R. Johnson.
• Elizabeth Seifert Checklist by Kenneth R. Johnson.
• Davis Dresser Bibliography by Kenneth R. Johnson.
• The quasi-official website of Brian Stableford.
• Ellis Parker Butler by John Martin.
• Sax Rohmer by Lawrence Knapp

Indexes and Bibliographic Resources hosted elsewhere

There are a wide range of online indexes and bibliographic resources hosted elsewhere on the Internet so the following is at best a partial list. At the same time, we cannot guarantee the availability or continued existence of any of the following sites. Please let us know of any sites you feel should be added and/or which seem to have died.

Some useful indexes we are aware of:

• The Internet Speculative Fiction DataBase.
• The Grand Comics Database
• The Locus Index to Science Fiction: 1984-1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 & 2006.
• The Science Fiction and Fantasy Research Database by Hal W. Hall.
• The Digest Index: A Comprehensive Checklist of Vintage American Paperbacks in Digest Format by Kenneth R. Johnson.
• Defunct Paperbacks by Kenneth R. Johnson.
• A Database of Cheap Literature, 1837-1860
• B.S.F.A. Magazines Index by Michael Cross
• Victorian Fiction Research Guides
• Indexes available on CD-ROM

There are a vast number of single-author bibliographies and website, but some we have found useful are:

• Age of Aces: Authors and Artists
• The Encyclopedia of Pulp Heroes
• A Guide to Supernatural Fiction
• Pulp Series Character Reprint Index
• Pulp Superhero Index
• Spys, Guys & Gals
• Thrilling Detective Authors & Creators
• The Victorian Web

as well as some that focus on the artwork in books and magazines:

• The Bookscans Database
• Collector's Showcase
• Cover Browser
• The Great American Magazine
• MagazineArt.Org
• Pulp Covers
• The Pulp Gallery
• True Crime Detective Magazines

and last, but not least, sources for full online copies of magazines:

• The Online Books Page
• Hathi Trust Digital Library
• Classic SF & Fantasy Short Fiction
• Comic Book +
• Luminist Archives
• The Pulp Magazine Archive
• Pulp Magazine Library
• The Pulp Magazines Project
• PulpMagazines.Org
• The Unz Review