1. Genetics of Tetrahymena;Allen,1973
2. Mating type determination and development in Paramecium aurelia;Butzel,1974
3. Sex, sex inheritance and sex determination in Paramecium aurelia.;Sonneborn;Proc. nat. Acad. Sci. (Wash.),1973
4. Recent advances in the genetics of Paramecium and Euplotes. Advant;Sonneborn;Genet.,1947
5. Breeding systems, reproduction methods and species problems in protozoa;Sonneborn,1957