Wholesale bulletin No. 2, March 10, 1927 - Conard-Pyle Co.; Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (West Grove, Pa, Conard-Pyle Co, 1927, 1927)
https://www.biodiversitylibrary.org/bibliography/137580
Keywords: Bulbs (Plants)|Catalogs|Cuttings|Nursery stock|Pennsylvania|Plants; Ornamental|Prices|Roses|Seedlings|Seeds|Shrubs|Varieties|West Grove|Wholesale trade|