1. A new type of sex-ratio in Drosophila prosaltans;Cavalcanti;Duda Proc. IXth. Inter. Congr. Genet., Part,1954
2. Genetic nature of species differences;Dobzhansky;Amer. Nat.,1937
3. Genetics of natural population. XVI. Altitudinal and seasonal changes produced by natural selection in certain populations of Drosophila pseudoobscura and Drosophila persimilis;Dobzhansky;Genetics,1948
4. Dobzhansky , Th. C. Epling 1944 Taxonomy, geographical distribution and ecology of Drosophila pseudoobscura and its relative Carnegie Inst. Wash. Publ. 544 1 46
5. Collection of Drosophila species in Egypt;Dobzhansky;Drosophila Inform. Serv.,1957