1. The Cytological Identification of the Chromosome Associated with the R-G Linkage Group in Zea Mays Publication: Genetics Society of America, March 1931 Subject(s): Genetic LinkageZea maysChromosomesCytological TechniquesMeiosis Archival Collection: The Barbara McClintock Papers (Profiles in Science)
2. Letter from Torbjorn Caspersson to Mary Lasker Publication: Produced: 4 January 1965 Subject(s): Cytological Techniques Archival Collection: The Mary Lasker Papers (Profiles in Science)
