This collection is composed of correspondence, field notes, paleontological illustrations, and monthly reports from the Vertebrate Paleontology department under Henry Anson Wylde, Science Division Chief. It includes exhibit planning materials, collections management and specimen loan information, and excavation reports from Rancho La Brea and Conkling Cavern in New Mexico.

This series contains materials related to Hancock Park, Rancho La Brea, and the George C. Page Museum and includes correspondence with Theodore Roosevelt regarding Hancock Park.

This file contains correspondence regarding the Sesnon tyrannosaurus specimen and La Brea Museum plans.

This series contains materials related to Hancock Park, Rancho La Brea, and the George C. Page Museum and includes correspondence with Theodore Roosevelt regarding Hancock Park.

This file contains correspondence regarding the La Brea Tar Pits viewing station and includes fact sheets, construction specifications, building agreements, and construction permits.

This series contains materials related to Hancock Park, Rancho La Brea, and the George C. Page Museum and includes correspondence with Theodore Roosevelt regarding Hancock Park.

This file contains landscaping plans for Hancock Park and includes a list of plants for landscaping.

This file contains master plans for the development of a fossil museum at Hancock Park.

This file contains mixed memoranda regarding grievance procedures, security policies, concerts at Hancock Park, and employee resignations.

Photocopies of Vertebrate Paleontology monthly reports and Rancho La Brea diary entries bound in a three-ring notebook. Photocopies of originals found in Box 1.