Putney's 1956 garden book - Putney Nursery,; Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Putney, Vermont, Putney Nursery, [1956], 1956)
https://www.biodiversitylibrary.org/bibliography/204452
Keywords: Catalogs|Nursery stock|Plants; Ornamental|Putney|Trees|Vermont|