501. Letter from Barbara McClintock to Charles R. Burnham Publication: Produced: 9 October 1940 Subject(s): Job Satisfaction Archival Collection: The Barbara McClintock Papers (Profiles in Science)
502. Letter from Barbara McClintock to Charles R. Burnham Publication: Produced: [9 August 1948?] Archival Collection: The Barbara McClintock Papers (Profiles in Science)
503. Letter from Barbara McClintock to Charles R. Burnham Publication: Produced: 13 April 1945 Subject(s): ChromosomesFellowships and Scholarships Archival Collection: The Barbara McClintock Papers (Profiles in Science)
504. The Behavior in Successive Nuclear Divisions of a Chromosome Broken at Meiosis Publication: National Academy Press (U.S.), 1939 Subject(s): MeiosisChromosomesChromosome BreakageCrossing Over, Genetic Archival Collection: The Barbara McClintock Papers (Profiles in Science)
505. Letter from Barbara McClintock to Charles R. Burnham Publication: Produced: 7 April 1930 Subject(s): ChromosomesGenetics Archival Collection: The Barbara McClintock Papers (Profiles in Science)
506. The Fusion of Broken Ends of Chromosomes Following Nuclear Fusion Publication: National Academy Press (U.S.), 1942 Subject(s): Chromosome BreakageMeiosisMitosis Archival Collection: The Barbara McClintock Papers (Profiles in Science)
507. Letter from Barbara McClintock to Charles R. Burnham Publication: Produced: 1 March 1931 Subject(s): ChromosomesGeneticsGenes, Plant Archival Collection: The Barbara McClintock Papers (Profiles in Science)
508. Maize Genetics Publication: Carnegie Institution of Washington, 1942 Subject(s): Chromosome BreakageZea maysGeneticsGenes, PlantRing Chromosomes Archival Collection: The Barbara McClintock Papers (Profiles in Science)
509. Maize Genetics Publication: Carnegie Institution of Washington, 1943 Subject(s): Chromosome BreakageCrossing Over, GeneticMutationZea maysGenetics Archival Collection: The Barbara McClintock Papers (Profiles in Science)
510. Maize Genetics Publication: Carnegie Institution of Washington, 1944 Subject(s): MutationChromosome BreakageZea maysCytogeneticsPhenotype Archival Collection: The Barbara McClintock Papers (Profiles in Science)