Suggestions for fall planting - B.F. Barr & Company.; Keystone Nurseries.; Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Lancaster, Pa, B.F. Barr & Co, [1922], 1922)
https://www.biodiversitylibrary.org/bibliography/126756
Keywords: Bulbs (Plants)|Catalogs|Flowers|Lancaster|Nursery stock|Pennsylvania|Plants; Ornamental|Seeds|