_First Edition_ (3 _vols._) 1880. _New Edition_ (1 _vol._) _and
reprints_ 1881-1893
_New Edition and reprints_ 1896-1900
_First published by Macmillan and Co._, _Crown_ 8_vo_, 1903. _Reprinted_
1906, 1910, 1914
_Pocket Edition_ 1907. _Reprinted_ 1909, 1912, 1915, 1917, 1919, 1920