March, 1957
Article
1957
Lasca News
1-3
Death Valley Days (Television program) , Flowers -- Research , Freed, Arthur, 1894-1973 , Longwood Foundation , Nature study -- Activity programs -- California , Relief models , Trees -- Identification -- Study and teaching
The Arboretum Library at the Los Angeles County Arboretum & Botanic Garden
English
Arcadia, Calif, Los Angeles State and County Arboretum,