This collection contains microfilm of selected documents concerning military reports, appointments of officers, trials, and descriptions of commerce and government, collected under the direction of George P. Hammond. They refer to Mexico in general but there is a strong emphasis on Northern Mexico and Mexican ports between the 1820s and the 1850s.

Number of containers: 93 microfilm reels ; 16 mm.

Materials in this collection may be protected by the U.S. Copyright Law (Title 17, U.S.C.). In addition, the reproduction of some materials may be restricted by terms of University of California gift or purchase agreements, donor restrictions, privacy and publicity rights, licensing and trademarks. Transmission or reproduction of materials protected by copyright beyond that allowed by fair use requires the written permission of the copyright owners. Works not in the public domain cannot be commercially exploited without permission of the copyright owner. Responsibility for any use rests exclusively with the user.

Collection is open for research. Collection is stored in part offsite: advance notice is required for use.