81. Letter from Rosalind Franklin to H. Fraenkel-Conrat Creator: Franklin, Rosalind Date: 16 November 1954 Genre: Letters (correspondence)
82. Letter from Rosalind Franklin to Donald L. D. Caspar Creator: Franklin, Rosalind Date: 28 June 1955 Genre: Letters (correspondence)
83. Letter from Rosalind Franklin to Donald L. D. Caspar Creator: Franklin, Rosalind Date: 19 May 1955 Genre: Letters (correspondence)
84. Letter from Rosalind Franklin to L. H. Gray Creator: Franklin, Rosalind Date: 14 March 1957 Genre: Letters (correspondence)
85. Letter from Rosalind Franklin to L. H. Gray Creator: Franklin, Rosalind Date: 25 March 1957 Genre: Letters (correspondence)
86. Letter from Rosalind Franklin to L. H. Gray Creator: Franklin, Rosalind Date: 22 February 1957 Genre: Letters (correspondence)
87. Letter from Rosalind Franklin to H. Fraenkel-Conrat Creator: Franklin, Rosalind Date: 7 January 1956 Genre: Letters (correspondence)
88. Letter from Rosalind Franklin to H. Fraenkel-Conrat Creator: Franklin, Rosalind Date: 1 November 1955 Genre: Letters (correspondence)
89. Letter from Rosalind Franklin to H. Fraenkel-Conrat Creator: Franklin, Rosalind Date: 16 May 1955 Genre: Letters (correspondence)
90. Letter from Rosalind Franklin to H. Fraenkel-Conrat Creator: Franklin, Rosalind Date: 15 September 1955 Genre: Letters (correspondence)