Galloway pure tested seeds and certified stock : 1922 - Galloway Brothers & Co.; Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Waterloo, Iowa, Galloway Bros & Co, 1922, 1922)
https://www.biodiversitylibrary.org/bibliography/126225
Keywords: Catalogs|Field crops|Flowers|Iowa|Nursery stock|Plants; Ornamental|Seeds|Vegetables|Waterloo|