Map of Texas. Compliments of Sanborn and Warner, ca. 1885

Consists of twelve boxes as well as some oversize material. A collection of documents, letters, Civil War materials, newspapers, and other miscellaneous material, connected with Brigadier General William Harrison Hamman (1830-1890), who lived in Texas during the Secession, Civil War, Reconstruction, and Bourbon period.

The collection includes contemporary accounts of early Texas historical events and political opinions, as well as Hamman's legal and business papers (regarding oil land, gas, and minerals, etc.). Also included are the papers of Mrs. Ella Hamman; John Hamman (1879-1966), founder of the Hamman Exploration Company, which later became Hamman Oil and Refining Company, and a pioneer in the development of mineral resources in Texas, as well as a lawyer specializing in land and corporation law; and other Hamman family members.

Materials in the collection are foldered in paper and some oversize material has been encapsulated.