Spring catalogue 1955 - Sign Of The Iris,; Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Van Nuys [Los Angeles], California, The Sign of the Iris, [1955], 1955)
https://www.biodiversitylibrary.org/bibliography/202804
Keywords: California|Catalogs|Irises (Plants)|Los Angeles|Nursery stock|Varieties|