Glamour Girls: The Illustrated Encyclopedia 1999 Indispensable brief-bio guide w/ photos. 1000 women.
Betrock, Alan Brooklyn, NY: Shake Books, 1993. First Edition, softcover original. Similar to Dian Hanson's monumental 6-part tome devoted entirely to pin-up magazines: those encompassing the "cheesecake" era, racy Hollywood magazines, glamour, and pornographic titles to date. Covers a wide array of titles, but mostly those with high distribution counts, and no titles U-Z are covered
Daley, Brittany A., et al. (editors) Sin-A-Rama: Sleaze Sex Paperbacks of the Sixties (First Edition) Los Angeles: Feral House, 2005. Essays on authors like William Knoles ("Clyde Allison"), author-pseudonym glossaries by Earl Kemp, and tons of good examples of cover art.
Illustrated Price Guide to Cult Magazines, 1945-1969, Alan Betrock