Fascinating glimpse of early gay rights politics.

San Francisco Supervisor Harvey Milk (left) and Mayor George Moscone, during the signing of the city’s gay rights bill in April 1977. The two men were assassinated on Nov. 27, 1978. (Associated Press/Courtesy of Holt-Atherton Special Collections, University of the Pacific Library)

In June 1977 an irate San Francisco resident mailed off a letter to then-mayor George Moscone. The focus of his ire was the planned Pride celebration at the end of the month.

He complained that…