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2. Genetic conditions which promote or retard the formation of species;Carson,1959
3. Contributions to the genetics, taxonomy, and ecology of Drosophila pseudoobscura and its relatives;Dobzhansky;Carnegie Inst. Wash. Publ.,1944
4. A possible method for locating favorable genes in maize;Dobzhansky;J. Am. Soc. Argon.,1938
5. A comparison of X-ray induced and naturally-occurring chromosomal variations in Drosophila pseudoobscura;Helfer;Genetics,1941