This file contains science division annual reports from the registrar and Life Sciences departments.

This file contains correspondence related to Museum object appraisals.

This file contains correspondence with the Board of Supervisors regarding museum collection policies and the construction of the Metro rail system.

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 file contains Life Science divisions field program budget records.

This file contains collections inventories for paleonentomology, invertebrate paleontology, and La Brea fossil collections and includes lists of microscopes, inventories of irreplaceable objects, and mounted skeletons.

This file contains collection storage calculation sheets and summaries.

This file contains Research & Collections department space requirement reports.

This series contains collections management information and includes reports from the registrar.

This series consists of collections management information, accessions data, space allocation reports, and object lists relating the the Life Sciences Divsion of the Natural History Museum of Los Angeles county and includes the sub-sections Ornithology-Mammalogy, Habitat Groups, Entomology, Anthropology, Botany, Marine Zoology, and Invertebrate Zoology.