The Downey Historical Society is located at the Downey History Center in Apollo Park. For more than thirty years, the society's all-volunteer staff has been gathering and preserving records and artifacts from and about the southeastern part of Los Angeles County. The society's collection includes original photographs from 1870 to the present (copy negatives, duplicate prints, or 35-mm slides are…

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 Japanese American Cultural and Community Center preserves and encourages appreciation of Japanese and Japanese American heritage and culture. The center's Franklin D. Murphy Library has a comprehensive collection of books in English and Japanese about the Japanese community in the United States. The library also holds books in English and Japanese about Japan and about Japanese culture, arts,…