1. Letter from Barbara McClintock to Charles R. Burnham Publication: Produced: 12 March 1931 Subject(s): ChromosomesGenes, PlantCrossing Over, Genetic Archival Collection: The Barbara McClintock Papers (Profiles in Science)
2. The Correlation of Cytological and Genetical Crossing-Over in Zea Mays. A Corroboration Publication: National Academy Press (U.S.), 1935 Subject(s): Zea maysCrossing Over, GeneticChromosomesGenes, Plant Archival Collection: The Barbara McClintock Papers (Profiles in Science)
