31. Preliminary Observations of the Chromosomes of Neurospora Crassa Publication: Botanical Society of America, December 1945 Subject(s): ChromosomesNeurosporaMeiosisCytogenetics Archival Collection: The Barbara McClintock Papers (Profiles in Science)
32. A Correlation of Cytological and Genetical Crossing-Over in Zea Mays Publication: National Academy Press (U.S.), 1931 Subject(s): Zea maysCrossing Over, GeneticChromosomesMeiosis Archival Collection: The Barbara McClintock Papers (Profiles in Science)
33. Letter from Barbara McClintock to Curt Stern Publication: Produced: 2 January 1953 Subject(s): ChromosomesMutation Archival Collection: The Barbara McClintock Papers (Profiles in Science)
34. Letter from Barbara McClintock to Curt Stern Publication: Produced: 14 February 1960 Subject(s): ChromosomesGenotype Archival Collection: The Barbara McClintock Papers (Profiles in Science)
35. Letter from Barbara McClintock to Charles R. Burnham Publication: Produced: 4 April 1930 Subject(s): ChromosomesZea maysCrossing Over, GeneticCytogenetics Archival Collection: The Barbara McClintock Papers (Profiles in Science)
36. Letter from Barbara McClintock to Charles R. Burnham Publication: Produced: 23 January 1930 Subject(s): Zea maysChromosomesCrossing Over, GeneticJob Satisfaction Archival Collection: The Barbara McClintock Papers (Profiles in Science)
37. Letter from Barbara McClintock to Charles R. Burnham Publication: Produced: 6 February 1931 Subject(s): ChromosomesGenetics Archival Collection: The Barbara McClintock Papers (Profiles in Science)
38. 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)
39. Letter from Barbara McClintock to Charles R. Burnham Publication: Produced: 11 April 1931 Subject(s): Zea maysChromosomes Archival Collection: The Barbara McClintock Papers (Profiles in Science)
40. Letter from Barbara McClintock to Charles R. Burnham Publication: Produced: 12 May 1931 Subject(s): ChromosomesZea maysGenetics Archival Collection: The Barbara McClintock Papers (Profiles in Science)