Colonial Farms

• Dahlias, bulbs and perennial plants
• Dahlias, bulbs and perennial plants, 1929
• Dahlias, bulbs, roses and hardy plants
• Dahlias, bulbs, roses and hardy plants for 1930
• Gill's gorgeous dahlias [catalog]
• The little dahlia catalogue, 1927
• W.L. Humphreys--Colonial Farms, Coatesville, Pa