Wholesale price list : season 1956-1957 - Portland Wholesale Nursery Company.; Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland, Oregon, Portland Wholesale Nursery Company, June, 1956, 1956)
https://www.biodiversitylibrary.org/bibliography/204551
Keywords: Nursery stock|Oregon|Plants; Ornamental|Portland|Prices|Shrubs|Trees|Varieties|