Catalog of Premier Dahlia Gardens 1948
Historic Dahlia Archives
Gilbert's Dahlia Propagation from Tubers vs. Cuttings (1925)
Gilbert's Dahlia Fertilization Tips 1925
Catalog of Gilbert Dahlia Farm 1925
Catalog of Golden Rule Dahlia Farm 1945
Clark's Dictionary of the Dahlia
Botany of the Dahlia 1903
Catalog of Wilmore Dahlia Specialist 1900
Catalog of Edymel Dahlia Farm 1924
Catalog of Charlton Burgess Bolles Dahlias 1924
Catalog of Swan Island Dahlias 1953
Catalog of Beverley Dahlia Farm 1951
