Philips' garden seeds : 1957 - Philips Seeds,; Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Mercersburg, Pennsylvania, Philips Seeds, [1957], 1957)
https://www.biodiversitylibrary.org/bibliography/206253
Keywords: Catalogs|Mercersburg|Nursery stock|Pennsylvania|Seeds|Varieties|Vegetables|