1. Letter from Aaron Klug to Philip Siekevitz Creator: Klug, AaronThe MRC Laboratory of Molecular Biology Date: 14 April 1976 Genre: Letters (correspondence)
2. Letter from Philip Siekevitz to Aaron Klug Creator: New York Academy of SciencesSiekevitz, Philip Date: 26 March 1976 Genre: Letters (correspondence)
3. College notebook on x-ray crystallography Creator: Franklin, Rosalind Date: [ca. 1940] Genre: Laboratory notebooks
4. College notebook on crystal analysis Creator: Franklin, Rosalind Date: [ca. 1940] Genre: Laboratory notebooks