The mystery of life.

Por Kassel, Charles, 1877-1943
[Fort Worth, Tex.], [publisher not identified], 1912

The relation of language to art and evolution /

Por Kassel, Charles, 1877-1943
[Boston], [publisher not identified], 1906

Genius and stature /

Por Kassel, Charles, 1877-1943
[New York], [publisher not identified], 1910

Fertility and genius /

Por Kassel, Charles, 1877-1943
[New York], [publisher not identified], 1907

Genius and hair-color /

Por Kassel, Charles, 1877-1943
[New York], [publisher not identified], 1912

Physiognomy and genius /

Por Kassel, Charles, 1877-1943
[Place of publication not identified] : [publisher not identified], 1911

The natural history of reform /

Por Kassel, Charles, 1877-1943
[Chicago, Ill.], [publisher not identified], 1928