Jess Nevins, also here since the beginning, provided many of the super-villain appearances. and book synposes. He and Breuggeman likely qualify as the Archives two greatest contributors.
Dr. Jerry Bails, Golden Age enthusiast extraordinaire, who has generously shared from his published work, his collection of microfilmed Golden Age Comics and collections of fanzines.
Roy Thomas, creator of the All-Star Squadron, for sharing issues of Alter-Ego, his fanzine publication
Mark Luebker provided lots of info on Flashback, a Golden age reprint series from the 1970's. Mark is interested in trading low grade or coverless Golden Age books with other collectors
Bill Jourdian -contributed details from the Sandman Story in Detective #76, GA Joker info and many of the cover GIFs. His collecting interests are primarily Batman-related Golden and Silver Age comics.
Gregory B. Tiede - provided details from over a dozen books. He collects primarily Golden Age Green Lantern, and early Silver Age.
Jon Ingersoll - provided some nifty GA villain info, some reprints info and a complete list of DC Digest Comics. Main interest is Silver Age books under the editorship of Julius Schwartz
Jack Selegue - Principal interest in Chemistry as depicted in comic books (e.g., Metal Men and Metamorpho); co-creator of the Comic Book Periodic Table; other interests include Silver Age teams (Justice League, Legion of Super-Heroes) and secondary Steve Ditko and Jack Kirby characters (Creeper, 1970's Sandman)
Sean MacDonald - Provided lots of DC Digest details as well as a lot of the Star Sapphire appearances.
Mark Katzoff - provided some great info on super-villain opponents of the Golden Age Wonder Woman as well as tons of reprint info.
Scott Nesmith - a great source of info on the Golden Age Wonder Woman and her various opponents. He has also provided copius references material for the GA Checklist.
Paul Gibney - provided several GA books and stories including Advneture, Flash and All-American Comics.
Lou Mougin - Provided copious reprint info as well as some Golden Age Crack Comics details
Robert Klein - Provided details for Sensation and Flash Comics.
Greg McWhorter - Big Zatara fan, provided lots of Zatara stories from Action Comics.
Paris Bauer - Provided lots of Quality Comics info
Jeff Luman - provided info on nearly a dozen Golden Age books
Charlie Anderson - provided info on over 25 early 1940's Golden Age comics.
Christopher Tumber who provided most of the cover information as well as several issue synoses.
Daniel C. Patri - provided many many Quality and Fawcett references
Dale Roberts - Golden Age afficiando and designer of custom action figures for sale, provided several Golden Age DC books
Lonnie Blackwood - For data from Flash #52 and his generous donations of partial GA books to the Archives
Scott McCullar - provided many details on More Fun amd Adventure Green Arrow stories
Mike Horlick - provided info on the Flash #60. Generally interested in collecting Golden Age Fawcett comics (Captain Marvel, etc)
Art Lortie - provided over half the info in the Silver Age Adam Strange section. Interests include complete reprint runs and general Silver Age titles.
Mark Cannon - provided some info on the DC. Fact Files
Roger McClannen - Provided details for Detective #181
John Rose - provided details for Detective #113
Bert Standish - Provided several tidbits for the Silver Age Villian Checklist
Chris Ticknor - provided details for Detective #80
Mick Rabin - provided details for Flash #62 and #67
Mike Wiech - Provided Adventure #169 details.
Paul Merolle - provided details on Sensation #36.
J.M. Kamphorst - provided details and corrections on Adam Strange list.
Micheal Berlowe - provided details on Detective Comics #100 and #107.
Elliot Johnson - provided details for Detective #91.
Greg Starr - Provided details for All-Flash #14
Tommy Jasmin - provided some info on Sensation and Detective Comics.
Melvin Yong - Provided a couple of covers for the Secret Society of Super-Villians Index and some Captain Boomerang info.
David L. Cuatt - provided info on some Silver Age Adventure Comics
Wayne Smith - provided Jerry Bails original JSA article in OPG #4, information pivotal to understanding the history of JSA in comics
Darren Ford- provided details for Sensation #5.
Jadd Mark Schickler - provided details for Hit Comics #13
Lee Randall - provided details for Flash #98
Ken Arromdee - provided various details about Golden Age Action and Detective Comics
Andreas De Luna- Provided details for various Bat-foes.
Cory Glaberson - provided info on Sensation #79
James Fletcher - Provided info on Big All-American #1 and Adventure #53
Cory Stewart Jacob - provided lots of info on the Silver Age Atom and other Silver Age
Laura Gjovaag - Provided info on early Golden Age Aquaman
Etrigan72 from AOL - provided info on Hit #24
Lance Visser - provided info on Flash #2
Andy Russell - provided info on Adventure #99
Robert D. Taylor - provided infor for All-American #66
Miksil@aol.com - For Sensation #57 and All-Flash #24 details
Bill Willet - For details on Flash #56
G. Watson - For details of Detective #184
Franks Stevens - For details on Action #91
John Moores -Provided excellent scans of All-American #90 and World's Finest #10
Greg Huneryager - Provided all the images for the Dr. Iker bio
Bob Karpinski - For helpful corrections and additions to appearance
lists.