I. Greek and Roman, by W.S. Fox. 1916.
II. Eddic, by J.A. Macculloch. 1930.
III. Celtic, by J.A. Macculloch; Slavic by Jan Máchal. 1918.
IV. Finno-Ugric, Siberian, by Uno Holmberg. 1927.
V. Semitic, by S.H. Langdon. 1931.
VI. Indian, by A.B. Keith; Iranian, by A.J. Carnvy. 1917.
VII. Armenian, by M.H. Ananikian; African, by Alice Werner. 1925.
VIII. Chinese, by J.C. Ferguson; Japanese, by Masaharu Anesaki. 1928.
IX. Oceanic, by R.B. Dixon. 1916.
X. North American, by H.B. Alexander. 1916.
XI. Latin-American, by H.B. Alexander. 1920.
XII. Egyptian, by W.M. Müller; Indo-Chinese, by J.G. Scott. 1918.
XIII. Complete index to volumes I-XII. 1932.
