Special quotation, Oct. 23, 1933 - United Bulb Company.; Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mt. Clemens, Mich, United Bulb Company, [1933], 1933)
https://www.biodiversitylibrary.org/bibliography/159645
Keywords: Bulbs (Plants)|Catalogs|Michigan|Mount Clemens|Nursery stock|Varieties|