1. Letter from Sol Spiegelman to Tracy M. Sonneborn Creator: Spiegelman, Sol, 1914-1983 Date: 6 November 1950 Genre: Letters (correspondence)
2. Letter from Martin R. Pollock to Sol Spiegelman Creator: The Medical Research Council. National Institute for Medical ResearchPollock, Martin, 1909-2002 Date: 11 September 1951 Genre: Letters (correspondence)
3. Letter from Sol Spiegelman to Martin R. Pollock Creator: Spiegelman, Sol, 1914-1983 Date: 1 October 1951 Genre: Letters (correspondence)
4. Letter from Sol Spiegelman to Martin R. Pollock Creator: Spiegelman, Sol, 1914-1983 Date: 14 August 1951 Genre: Letters (correspondence)
5. Letter from Sol Spiegelman to Martin R. Pollock Creator: Spiegelman, Sol, 1914-1983 Date: 7 April 1947 Genre: Letters (correspondence)
6. Mechanism of Enzymatic Adaptation in Genetically Controlled Yeast Populations Creator: Lindegren, Carl C.Hedgecock, L.Spiegelman, Sol, 1914-1983 Date: 1944 Publisher: National Academy of Sciences (U.S.) Genre: Articles