Dahlias for delight : cultural notes - Branthover, L. L.; Quannapowitt Dahlia Gardens.; Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Wakefield, Mass, Quannapowitt Dahlia Gardens, [1924], 1924)
https://www.biodiversitylibrary.org/bibliography/130288
Keywords: Dahlias|Floriculture|Propagation|Varieties|