Catalog of Sheffield Bulb Farm 1927
Historic Dahlia Archives
Catalog of Ballay Dahlia Farms 1951
Catalog of "Kentucky Bred" Dahlias 1927
Catalog of Cottam & Son, Dahlia Specialists 1916
Dahlias for Delight (1924)
The Dahlias of Henrietta Maria Stout (1922)
Johnson's History of the Dahlia (1847)
Dahlia Propagation by Seed (1847)
How to Raise Dahlias Successfully (1921)
Dahlia Cultivation—Part Three (1853)
Robert Hogg
Dahlia Cultivation—Part Two (1853)
Dahlia Cultivation—Part One (1853)
