This collection spans from 1954 to 2012 and contains Roger Boisjoly's professional and personal papers regarding the Space Shuttle Challenger disaster and his engineering career.

This collection consists of Sergio de Benedetti’s typed manuscript of “Memoirs of an Antifascist”, as well as various documents related to publication.

This collection consists of a number of videotapes, objects, and some original and photocopied textual materials collected by Dr. Mark Maier that deal with the NASA Space Shuttle Challenger disaster and its aftermath.

This collection contains 1 oversized scrapbook created by and documenting the history of the Orange County Japanese American Youths organization (OC JAYs). It also includes a folder of loose materials that were found inside the scrapbook.

22 Japanese propaganda posters from the 1930s and the Japanese occupation of Manchuria.

Photographs from the United Press International Los Angeles stock photo office. Coverage is approximately 1930-1978 with the bulk of the photographs 1969-1977.