31. 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)
32. Letter from Barbara McClintock to Charles R. Burnham Publication: Produced: 11 June 1931 Subject(s): ChromosomesGenetics Archival Collection: The Barbara McClintock Papers (Profiles in Science)
33. Letter from Barbara McClintock to Charles R. Burnham Publication: Produced: 26 June 1931 Subject(s): GeneticsZea maysMutation Archival Collection: The Barbara McClintock Papers (Profiles in Science)
34. Letter from Barbara McClintock to Charles R. Burnham Publication: Produced: 30 July 1931 Subject(s): GeneticsZea maysChromosomes Archival Collection: The Barbara McClintock Papers (Profiles in Science)
35. Letter from Barbara McClintock to Charles R. Burnham Publication: Produced: 8 August 1931 Subject(s): ChromosomesGeneticsZea mays Archival Collection: The Barbara McClintock Papers (Profiles in Science)
36. Letter from Barbara McClintock to Charles R. Burnham Publication: Produced: 2 April 1935 Subject(s): Chromosome BreakageGenetics Archival Collection: The Barbara McClintock Papers (Profiles in Science)
37. 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)
38. 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)
39. Maize Genetics Publication: Carnegie Institution of Washington, 1942 Subject(s): Chromosome BreakageZea maysGeneticsGenes, PlantRing Chromosomes Archival Collection: The Barbara McClintock Papers (Profiles in Science)
40. Maize Genetics Publication: Carnegie Institution of Washington, 1943 Subject(s): Chromosome BreakageCrossing Over, GeneticMutationZea maysGenetics Archival Collection: The Barbara McClintock Papers (Profiles in Science)