In French Letterhead: Génie Civil, Republique Française, L'Ingénieur en Chef, Directeur des Ponts et Chaussées Appended is a letter from Le Père to Lancret dated July 31, 1800. Autograph letter signed 2 p.
Accompanied by correspondence related to the conservation and repair of the letter, 1952-1953; by a letter from George Wilhelm Merck to Josiah Kirby Lilly, Mar. 4, 1953, about the Liebig letter; by a copy of The Lilly Review, Nov. 1952, in which the Liebig letter is published