By the mid-1960s, San Francisco's South of Market district had become the center of the gay motorcycle club scene and was home to motorcycle clubs such as the Barbary Coasters founded in 1966 and the Constantines and the Cheaters both founded in 1967.
Retrieved 8 July 2011.
Senate for a U.
Retrieved September 18, 2021.
Retrieved 14 March 2015.
Retrieved 13 June 2013.