found: A man's guide to gay America, 1987:cover (Colt Studio)
found: Colt men, issue no. 1 (1975):cover (Colt Studios) issue no. 10 (1981): cover (Colt Studio)
found: Manpower!, no. 1 (1969):title page (the Colt Studio) introd. page (Colt Studios; The Colt Studio); no. 2 (c1970): t.p. (Colt Studios) page 1 (Colt Studio); no. 3 (c1972): title page (Colt Studios) page 4 of cover (Colt Studio)
found: Colt Private Collection Series, No. 1 copyrighted 1986:editorial box (Colt Studio, Studio City CA 91604)
found: Wikipedia, viewed June 7, 2023Jim French (photographer) entry (using pseudonym Rip Colt and with business partner Lou Thomas created Colt Studio in 1967; In 2003, French sold Colt Studio to former Falcon Studios director John Rutherford and his business partner Tom Settle. The rebranded company, "Colt Studio Group," continues to operate) - https://en.wikipedia.org/wiki/Jim_French_(photographer)