1. Memorandum to Marcus Rhoades (about the Ds Locus) [Appendix] Publication: Produced: January 1949 Subject(s): GeneticsZea maysMutation Archival Collection: The Barbara McClintock Papers (Profiles in Science)
2. Memorandum from Barbara McClintock to William L. Brown Publication: Produced: February 1962 Subject(s): ChromosomesGeneticsGenes, PlantZea mays Archival Collection: The Barbara McClintock Papers (Profiles in Science)