1. Rousi, A.A., Probable Case of Monogenically Determined Resistance to American Gooseberry Mildew in Black Currant, Ann. Agr. Fenn., Rousi, A.A, Ed.,1966, vol. 5, pp. 256–258.
2. Keep, E., Black Currant Breeding Using Related Species as Donors, ARS Res. Rev., Keep, E., Parker, J., and Knight, V., Eds., 1977, vol. 3, no 3, pp. 86–88.
3. Ogol’tsova, T.P., Study of Far East Black Currant Varieties as Source Material for Breeding in the Middle Band of the RSFSR, Selektsiya, sortoizuchenie, agrotekhnika plodovykh i yagodnykh kulítur: sb. st. (Breeding, Variety Study, and Agricultural Practices of Fruit and Berry Crops: Collection of Articles), Ogol’tsova, T.P. and Sedova, Z.A, Eds., Orel, 1979, vol. 9,part 2, pp. 59–73.
4. Trajkovski, V., Resistance to Sphaerotheca mors-uvae (Schw.) Berk. in Ribes nigrum L. 5. Studies on Breeding Black Currants for Resistance to Sphaerotheca moresuvae (Schw.) Berk., Swed. J. Agr. Res., Trajkovski, V. and Paasuke, R., Eds., 1976, vol. 6, no. 3, pp. 201–214.
5. Keep, E., Ribes glutinosum and R. sanguineum as Donors of Resistance to American Gooseberry Mildew in Black Currant Breeding, Euphytica, 1981, vol. 30, pp. 197–202.