Dr Gareth Rowlands Dahlia Book
International Dahlia Register 1969
NDS Year Books and Bulletins
NDS Classified Directories, NDS Books and International Registers
American Dahlia Society Bulletins, ADS Classified Directories and other ADS Publications
Puget Sound ' Dahlias of Today ' USA and other USA Publications
New Zealand Dahlia Society Bulletins and other Miscellaneous Publications from overseas
Miscellaneous Dahlia Books (mostly old publications)