2. Letter from Sol Spiegelman to Tracy M. Sonneborn Creator: Spiegelman, Sol, 1914-1983 Date: 22 September 1947 Genre: Letters (correspondence)
3. Letter from Sol Spiegelman to Jacques Monod Creator: Spiegelman, Sol, 1914-1983 Date: 25 October 1946 Genre: Letters (correspondence)
4. Letter from Sol Spiegelman to Harlyn O. Halvorson Creator: Spiegelman, Sol, 1914-1983 Date: 14 October 1954 Genre: Letters (correspondence)
5. Letter from Sol Spiegelman to Roy H. Doi Creator: Spiegelman, Sol, 1914-1983 Date: 26 July 1965 Genre: Letters (correspondence)
6. Letter from Sol Spiegelman to Seymour S. Cohen Creator: Spiegelman, Sol, 1914-1983 Date: 2 June 1954 Genre: Letters (correspondence)
14. The Spiegelmans with Francis Crick and Hans Noll in Switzerland Creator: Crick, Odile Date: [September 1972] Genre: Photographic prints
16. Letter from Sol Spiegelman to Francis Crick Creator: Spiegelman, Sol, 1914-1983 Date: 28 November 1961 Genre: Letters (correspondence)