R503 DeV G De Vries, Louis, 1885- German-English science dictionary for students in chemistry, physics, biology, agriculture, and related sciences, by Louis De Vries.... Iowa State college, with the collaboration of members of the graduate faculty. 2d. ed., rev. and enl. New York and London, McGraw-Hill Book company, inc., 1946. xiv, 558 p. 18 cm.