Contract and general trade list of "Merit" flower seeds : crop of 1930 - Waller-Franklin Seed Co.; Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Guadalupe, California, U.S.A, Waller-Franklin Seed Co, 1930, 1930)
https://www.biodiversitylibrary.org/bibliography/149396
Keywords: California|Flowers|Guadalupe|Nursery stock|Prices|Seed industry and trade|Seeds|Sweet peas|Waller-Franklin Seed Co|