Peter Henderson & Co's tested seeds : general wholesale catalogue to dealers - Peter Henderson & Co.; Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (New York, Peter Henderson & Co, c1896, 1897)
https://www.biodiversitylibrary.org/bibliography/66558
Keywords: Catalogs|Equipment and supplies|Flowers|Gardening|Insecticides|Peter Henderson & Co|Plants; Ornamental|Seeds|Vegetables|