Education - Public services
Article
1961
Biennial report
1975-77
12-24
Garden tours -- California , Horticulture -- Adult education , Los Angeles County (Calif.). Department of Arboret , School field trips -- California
The Arboretum Library at the Los Angeles County Arboretum & Botanic Garden
English
Los Angeles, Calif, Dept. of Arboreta & Botanic Gardens, 1959/61-