Seeds and plants : 1959 - Carl S. English, Jr. (Firm); Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Seattle, Washington, Carl S. English, Jr, 1959, 1959)
https://www.biodiversitylibrary.org/bibliography/208804
Keywords: Catalogs|Endemic plants|Northwest; Pacific|Nursery stock|Pacific Northwest|Plants; Ornamental|Rhododendrons|Seattle|Seeds|Washington (State)|