239 psl.
Spanish kalba
Publikuota 1946 m. balandžio 11 d., Tierra y Libertad.
239 psl.
Spanish kalba
Publikuota 1946 m. balandžio 11 d., Tierra y Libertad.
Ethics: Origin and Development is a book by Peter Kropotkin, published posthumously in 1921. It continues the argument of Mutual Aid, that sociable morality is essential to human survival. It was translated into English by Louis S. Friedland and Joseph R. Piroshnikoff in 1924.
(Source: Wikipedia)