1. Letter from Maxine Singer to James C. Wang Publication: Produced: 3 December 1974 Subject(s): HistonesSimian virus 40DNA, Superhelical Archival Collection: The Maxine Singer Papers (Profiles in Science)
2. Letter from Maxine Singer to Francesco Blasi Publication: Produced: 17 January 1975 Subject(s): HistonesSimian virus 40 Archival Collection: The Maxine Singer Papers (Profiles in Science)
