By Hartmann, Nicolai,.
Buenos Aires Editorial Losada 1957 .
2v.

By Hartmann, Nicolai,.
México Fondo de Cultura Económica 1954 .
4v.

By Hartmann, Nicolai,.
London George Allen & Unwin 1932

By Hartmann, Nicolai,.
México Universidad Nacional Autónoma de México 1964 .
98 p.

By Fernández, Aurelio..
Madrid Confederación Española de Cajas de Ahorros 1975 .
2 v. 8472312178

By García Máynez, Eduardo.
México Editorial de el Colegio Nacional 1969 .
145 p. 22 cm..

By Hartmann, Nicolai,.
New York Humanities Press 1966 .
3 v. , Translation of : Ethik. | "First published in English, 1932."