International Language, Past, Present & Future With Specimens of Esperanto and Grammar

Reed, Ivy Kellerman, 1877-1968

Cox, George, 1838-1909

Pfaundler von Hadermur, Leopold, 1839-1920; Couturat, Louis, 1868-1914; Jespersen, Otto, 1860-1943; Lorenz, Richard, 1863-1929; Ostwald, Wilhelm, 1853-1932; Donnan, F. G. (Frederick George), 1870-1956 [Translator]