A catalog of the newest and the best bearded, Japanese and Palestine iris, also of choice single, Japanese and double peonies, 1929 - National Iris Gardens (Beaverton, Or.); Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Beaverton, Oregon, Weed's Gardens, 1929, 1929)
https://www.biodiversitylibrary.org/bibliography/146030
Keywords: Beaverton|Bulbs (Plants)|Catalogs|Irises (Plants)|Nurseries (Horticulture)|Nursery stock|Oregon|Peonies|Roots|