Geraniums : March 1956 - Holmes C. Miller (Firm),; Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Los Altos, California, Holmes C. Miller, [1956], 1956)
https://www.biodiversitylibrary.org/bibliography/204288
Keywords: California|Catalogs|Geraniums|Los Altos|Nursery stock|Varieties|