Haas, Paul, 1877- An introduction to the chemistry of plant products, by Paul Haas ... and T. G. Hill ... with diagrams. - 2d ed. - London, New York [etc.] Longmans, Green and co., 1917. - xii, 411 p. 24 cm. Bibliographical foot-notes. LCCN: sg 17000174 Subjects--Topical Terms: Botanical chemistry. LC Class. No.: QK861 / .H3 1917