Hallawell's annual catalog [of] seeds, plants, trees : 1918 - Hallawell Seed Company.; Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (San Francisco, Calif, [Hallawell Seed Company], 1918, 1918)
https://www.biodiversitylibrary.org/bibliography/116902
Keywords: Bulbs (Plants)|California|Catalogs|Flowers|Fruit|Nursery stock|Plants; Ornamental|San Francisco|Seeds|Vegetables|