The Metropolitan Water District of Southern California manages a library and archival repository documenting the activities of the organization and resources of interest to the greater history of the Los Angeles region. 

As the only collecting institution focused solely on the art, craft, and history of Hollywood writers and their labor union, the Writers Guild Foundation Library & Archive are vividlly relevant to the creative and business communities of Los Angeles. The holdings document a rich facet of Los Angeles culture in relation to the role of writers in the entertainment industry.