This file includes several letters exchanged with Alfred Marshall as well as the following enclosures: 1 autograph letter, signed, from G.L. Dickinson to J.M. Keynes [1907x8]; 1 autograph letter, signed, from A. Marshall to Murray Macdonald, 23 April 1910; 1 autograph letter, signed. (incomplete) from A. Marshall to F.Y. Edgeworth, 1911; 1 autograph letter, signed, from F.Y. Edgeworth to A. Marshall, 27 July [1911]; 2 autograph letters, signed, from J.C. Sinha to J.M. Keynes, 1929; 1 copy letter from A. Marshall to J.C. Sinha, 14 May 1920.