article in Otto's encyclopedia
book edition published in 1905
book edition published in 1899
book edition published in 1888
book edition published in 1909
book edition published in 1895
book edition published in 1890
book edition published in 1874
book edition published in 1906
book edition published in 1896
book edition published in 1901–1905
book edition published in 1910
book edition published in 1886–1890
book edition published in 1903