SCIENCES. 69 letters and documents, most of them L.A.S. mainly addressed to Schneider, secretary of the Bulletin de la Société chimique. Marcellin Berthelot (7), Ad. Blanqui, Claude Bourgelat (1774), E. Clapeyron (2), G. Clément, Per Teodor Cleve (ms on the atomic weight of lanthanum), Louis Cotte (2, 1780-1789, with 2 impr. of meteorological observations), Th. Davidson, A. Dubuisson, G. Eiffel, L. Élie de Beaumont (3), R. Fresenius, Charles Friedel (9), Jules Garnier, A. Gautier, F. Guenon, Arthur Henninger (12), Alexander von Humboldt, Georges Jacquemin (ms on yeasts and barley cider production), Jalard, Julia de Fontenelle (2), Alexandre Krakau (2 mss, 1881-1882, on sessions of the Russian Academy of Sciences), E. de Ladrier, F. Lajard, U. Le Verrier, Lorenzo Luigi Linussio, Ch. Meissonier, Ménard, John Milne, Ch. Richet, G. Tissandier, Vicq d'Azyr, etc. Attached are various documents, including 3 diplomas from the Société Française de Statistique (1833), the Société Royale Académique de Savoie (1837), the Société Impériale Zoologique d'Acclimatation (signed, but unnamed); a photograph of Pasteur by Nadar; 10 press photos of Charles Lindbergh; etc.