Pasteur, Louis, 1822-1895. Letter to August Wilhelm von Hofmann, 1818-1892

(3 p.). Enclosed with: autograph letter from Sir William Henry Perkin, 1838-1907, to A.W. Hofmann, Aug. 10, 1860 (2 p.). Removed from: Dissymétrie Moléculaire, 1860. Subjects: Molecular assymetry ; Perkin, William Henry, Sir, 1838-1907.