1. Anderson, J. P. (1943). Two notable plant hybrids from Alaska.Proc. Ia Acad. Sci. 50: 155–157.
2. Anderson, M. M. &W. Fordyce (1960). Black currant breeding.Rep. Scott. hort. Res. Inst. 7: 15–16.
3. Anonymous (1934). “The plant resources of the world as initial material in plant breeding. Botanic-ecological and economic characteristics, V. Fruits and small fruits and their wild relatives”.Lenin Acad. Agric. Sci. Inst. Plant Ind. (Leningrad) 127 pp. (InPlant Breed. Abst. 5: 250–252).
4. Bauer, R. (1955). “Resistance problems in the genusRibes and possibilities of their solution by making intra-and inter-sectional crosses”.Rep. 14th int. hort. Congr. (Scheveningen): 685–696.
5. Berger, A. (1924). A taxonomic review of currants and gooseberries.N. Y. State Agric. Exp. Sta. Tech. Bull. 109: 118 pp.