Henderson's autumn catalogue of bulbs: 1921 - Peter Henderson & Co.; Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New York, Peter Henderson & Co, 1921, 1921)
https://www.biodiversitylibrary.org/bibliography/78418
Keywords: Bulbs (Plants)|Catalogs|Equipment and supplies|Flowers|Gardening|Peter Henderson & Co|Seeds|Trade catalogues|Vegetables|