The Seaver Center for Western History Research collects, preserves, and makes available to the general public and to scholars historic records pertaining to the history and the exploration of the trans-Mississippi American West, with particular emphasis on Southern California and Los Angeles. Its historic records holdings include (but are not limited to) manuscript materials, books, serials, trade…

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…