1. Production of maternal type plants through crosses to apomictic species;Aalders;Nature. Lond.,1964
2. A cytotaxonomic survey of the native blackberries of Nova Scotia;Aalders;Can. J. Genet. Cytol.,1966
3. Further notes on an artificial Rubus hybrid;Allan;Trans. New Zealand Inst.,1928
4. New blackberry ‘Chehalem’;Am. Nurseryman.,1948
5. West Coast blackberry ‘Olallie’;Am. Nurseryman.,1950