Collection consists of broadsides, handbills, programs, and other ephemera, most of which involve New Mexican politics.

This collection contains testimony from the U.S. Court of Private Land Claims regarding the legitimacy of the Caja del Rio grant involving a legal dispute between the descendants of Nicolas Ortiz, Niño Ladrón de Guebara (the original grantee) and Willi Spiegelberg. It also includes legal documents confirming genealogy of the Ortiz family and records of sales of this land in 1860 from the Ortiz family through various owners, to Thomas B. Catron in 1909.

Collection consists of the official papers of L. Bradford Prince (1889-1893). Reports pertain to various territorial agencies and institutions. Special reports and issues discuss the Indians of New Mexico, the White Caps of San Miguel County (a vigilante group that protested Anglo encroachment on the land), statehood, and other issues. Penal papers consist of rewards for wanted men, pardons, commutations, and extraditions.

Captioning on this photograph is not consistent. It's either the 4th of July or the 1st anniversary of Statehood, and taken in 1912 or 1913. The group gathered on Fort Marcy Hill to read the Declaration of Independence. Image includes New Mexico Territorial Governors from left to right: Miguel A. Otero, L. Bradford Prince, Herbert J. Hagerman, and William T. Thornton

The Bruce T. Ellis Collection consists of various original and photostatic copies of the Spanish, Mexican and American period of New Mexico's history. Ellis, a former employee of the Museum of New Mexico's History Bureau, collected and saved many of these diverse documents from destruction. The collection is arranged topically and then chronologically.

Collection consists of the private papers of L. Bradford Prince, 1862-1910.

Mauro Montoya Collection documents significant episodes of New Mexico history during the eighteenth, nineteenth and twentieth centuries. The documents are divided into the four main periods: Spanish period, The Mexican period, U.S. Territorial period (incl. U.S. military occupation), New Mexico Statehood period.

This collection documents Richard E. Hanna's personal life, political connections, and legal activities relating to property, Indian affairs, natural resources, and administration of L. Bradford Prince's estate.

Handwritten account of Charles Bent's assassination in Taos, New Mexico, in 1847 by his daughter Teresina Bent Scheurich. Also included is a typescript copy of the account and a 12 page handwritten copy of an address concerning the Bent assassination given by L. Bradford Prince.

Collection consists of the papers and correspondence of Ben Wittick and the Wittick family, 1863-1935.