In 2004, Ziering exhibited "Secret Sex: The Unknown Erotic Drawings of Bob Ziering," compiled of thirty-five years of personal, gay, erotic art.Lust at last: at age 70, illustrator Bob Ziering shows his gay erotic art for the first time. Kennedy, Sean, The Advocate, 17 Aug 2004. (Retrieved 6 March 2011.) Bob Ziering - New York audart (Retrieved 6 March 2011.)
