The collection of the Duarte Historical Society and Friends of the Library focuses on the history of the City of Duarte and adjacent Bradbury. Its archive includes photographs, records, and other artifacts related to the settlers and families who developed Duarte, the local schools, and the local citrus industry..

The Los Angeles Unified School District’s (LAUSD) Art & Artifact Collection/Archive and Museum has amassed objects since the opening of the first district school in 1855. Artifacts and artworks are located at both schools and administrative sites.