Hinton, Claude Willey (1954) The behavior of an unstable ring chromosome in Drosophila melanogaster. Dissertation (Ph.D.), California Institute of Technology. doi:10.7907/KKEX-R511. https://resolver.caltech.edu/CaltechETD:etd-12152003-115148
Lindsley, Dan L. (1952) Some consequences of spermatogonial exchange in long inversions of the X chromosome of Drosophila melanogaster. Dissertation (Ph.D.), California Institute of Technology. doi:10.7907/1EMB-VT69. https://resolver.caltech.edu/CaltechETD:etd-06072004-145444
Lewis, Edward B. (1942) A Genetic and Cytological Analysis of a Tandem Duplication and its Included Loci in Drosophila melanogaster. Dissertation (Ph.D.), California Institute of Technology. doi:10.7907/7W60-4740. https://resolver.caltech.edu/CaltechETD:etd-10172002-112502
Novitski, Edward (1942) Genetic and cytological studies on the affinis group of Drosophila. Dissertation (Ph.D.), California Institute of Technology. doi:10.7907/1GEH-9H07. https://resolver.caltech.edu/CaltechETD:etd-02112003-111522