Wholesale price list – 1958-59 - Koster Nursery.; Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bridgeton, New Jersey, Koster Nursery, 1958, 1958)
https://www.biodiversitylibrary.org/bibliography/208551
Keywords: Azaleas|Bridgeton|Catalogs|New Jersey|Nursery stock|Rhododendrons|Seedlings|Trees|