5 pieces.
Autograph Material - Science & Medicine: Bell, Alexander Graham. Typed Letter Signed. Washington, D.C., Dec. 19, 1901. 1 p., 12mo. Signature rather faded. Framed. * Bouchard, Charles-Jacques. 3 Autograph Letters Signed. Sept. 1892 - Feb, 1893. Each 1 p., 8vo. To M. du Mesnil, reports on the progress of a patient. * Virchow, Rudolf [founder of cellular pathology]. Berlin, Nov. 2, 1892. Folio. Partly printed certificate admitting Harlow Gale to Frederick William University. Filled-in & signed by Virchow as Rector of the University.