The Museum Archives documents the history of the Los Angeles County Museum from its founding in 1910 to the present. The collection includes photographs, departmental papers, research papers, ephemera, publication, architectural plans, newspaper clippings and original artwork.

The Research Library and Archives has been collecting material relating to the history of Pasadena since 1924. The archives contains approximately 1 million historic images (including photos, negatives, postcards, stereographs) of Pasadena and surrounding areas. There are 45 cubic feet of maps and plans of the area, as well as a set of Sanborm fire insurance maps for Pasadena. There is a large…