Finest giant ruffled pansies, the strain that does not disappoint - Mrs. Merton G. Ellis (Firm); Ellis, Merton G., Mrs.; Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Portland, Oregon, Merton G. Ellis, [1945?], 1945)
https://www.biodiversitylibrary.org/bibliography/181669
Keywords: Catalogs|Nurseries (Horticulture)|Nursery stock|Oregon|Pansies|Portland|Seedlings|