by Arthur E. Haas

D. Van Nostrand 1937 2nd ed. enlarged & rev / translated by George B. Welch with the use of translation of lst ed. by Horace S. Uhler

Available at 3 libraries

by Arthur Haas, thoroughly revised and partly re-written ; translated by Horace S. Uhler

D. Van Nostrand Company, Inc. 1928

Available at 11 libraries

by H.S. Uhler and R.W. Wood

Carnegie Institution of Washington 1907 Carnegie Institution of Washington publication no. 71

Available at 13 libraries