Hallawell's fall catalog of bulbs : 1922 - Hallawell Seed Company.; Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (San Francisco, Calif, [Hallawell Seed Company], 1922, 1922)
https://www.biodiversitylibrary.org/bibliography/126104
Keywords: Bulbs (Plants)|California|Catalogs|Nursery stock|Plants; Ornamental|San Francisco|