These fanzines documenting the 1939 Worldcon in New York were scanned and converted to PDF by Taral Wayne.

The Illustrated Nycon Review originally had pasted-in photos, but this second edition, released through FAPA, omitted the photos and has blank spaces.

The 'Fifth" (World's Fair) Convention (812KB)
A series of articles written by Jack Robins in July 1939, published in 1940

FFF's Illustrated Nycon Review (4MB)
Produced by Julius Unger - 25 pages of photos from the New York World STF Convention, with complete and authentic writeups