Gay and lesbian student organization records and the thesis Self-Disclosure and Self-Esteem in Gay Men of Bruce Janis, 1976-1985. Janis started the first gay and lesbian student organization at Washington University in St. Louis in 1976, then helped restart the San Francisco State University gay and lesbian student organization in 1981.

The papers comprise California State University, Northridge (CSUN), Associated Students Incorporated Senate meeting minutes while Zeidler was a senator, 1983, and president, 1984-1985; Zeidler's CSUN Associated Students Incorporated correspondence while president of the organization, 1984-1985; and brief documentation of Zeidler's other student political involvements and activities, 1981-1985.