1921 Frank Howard's annual spring catalog of reliable "seeds that grow" - Frank Howard (Firm); Howard, Frank.; Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Pittsfield, Mass, Eagle Print, 1921, 1921)
https://www.biodiversitylibrary.org/bibliography/124396
Keywords: Agricultural implements|Catalogs|Flowers|Massachusetts|Nursery stock|Pittsfield|Seeds|Vegetables|