Greg Colb
1970s model and actor Greg Colb featured in IT, Mandate, and Playgirl
Vintage gay porn, Jack Drago, and Bob's Guys
Bob Jackson photographed in the early 60s. Bob Jackson almost modeled for Bob and showed up with Chuck Sturey, argued the whole time, and left without a single picture.
Erik Houston photographed by Derek Powers for In Touch magazine in the late 80s.
Mountain Men: the male photography of Don Whitman and Western Photography Guild.
Unidentified models who did photo series with Bruce Belas in Los Angeles. A LOT of models passed through that studio over the course of the 50s and 60s.