The periodicals contained in this collection illustrate the events that shaped, defined and changed the modern Gay, Lesbian, Bisexual and Transgender (GLBT) movement. The magazines, newsletters and newspapers span from 1968 through 2003. The events chronicled include the Stonewall rebellion and its political legacy, GLBT Marches on Washington in 1979, 1987 and 1993, the identification and spread of HIV and AIDS, the assassination of San Francisco Supervisor Harvey Milk in 1978 and the second wave of Lesbian Feminism. The place of origin for the majority of the collection is California. Other western states such as Alaska, Arizona, Colorado, Hawaii, Nevada, New Mexico, Oregon, Utah and Washington are also represented. Titles are both national and local in content. The most extensive holdings are of the Advocate, Bay Area Reporter, Frontiers, Lavender Network, Our Paper Your Paper, San Francisco Sentinel, Update and The Voice.