Esperanto (The universal language) : the student's complete text book, containing full grammar, exercises, conversations, commercial letters, and two vocabularies - Zamenhof, L. L. (Ludwik Lazar), 1859-1917.; O'Connor, J. C. (John Charles), 1853-1928. (New York : Fleming H. Revell Company, 1907)
"The making of an international language. <By Dr. Zamenhof.>": p. [7]-20.
Mode of access: Internet.
Keywords: Esperanto -- Grammar