1. Letter from James D. Watson to Rosalind Franklin Creator: Watson, James D., 1928-The California Institute of Technology. Kerckhoff Laboratories of Biology Date: 28 February 1955 Genre: Letters (correspondence)
2. Letter from James D. Watson to Rosalind Franklin Creator: Watson, James D., 1928-California Institute of Technology Date: [3 December 1954] Genre: Letters (correspondence)
3. Letter from James D. Watson to Rosalind Franklin Creator: Watson, James D., 1928-The California Institute of Technology. Kerckhoff Laboratories of Biology Date: 9 April 1955 Genre: Letters (correspondence)