1. Downey , R. K. 1965 Rapeseed botany, production and utilization. Rapeseed meal for livestock and poultry: A review 7 23
2. Towards an improved rapeseed;Downey;Arctic Inst. Rev.,1966
3. Bell , J. M. R. K. Downey L. R. Wetter 1968 Oil and meal from Canadian rapeseed
4. Downey , R. K. S. H. Pawlowski J. McAnsh 1968 Rapeseed: Canada's ”Cinderella”