1. A mutability stimulating factor in the Florida stock of Drosophila melanogaster;Demerec;(Abstract.) Genetics,1937a
2. Frequency of spontaneous mutations in certain stocks of Drosophila melanogaster;Demerec;Genetics,1937b
3. Chromosomal variation in populations of Drosophila pseudoobscura which inhabit northern Mexico;Dobzhansky;Amer. Nat.,1948
4. The genetics of natural populations. XVII. Proof of the operation of natural selection in wild populations of Drosophila pseudoobscura;Dobzhansky;Genetics,1948