Landreth's wholesale price list for dealers, January 1934, 150th anniversary - D. Landreth; Co.; Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Bristol, Pa, D. Landreth Seed Company, 1934, 1934)
https://www.biodiversitylibrary.org/bibliography/161147
Keywords: Bristol|Flowers|Pennsylvania|Prices|Seed industry and trade|Seeds|Vegetables|