Pospolitost : (vzájemná pomoc)

Autor: Kropotkin, Petr Aleksejevič, 1842-1921
Rok: 1922

Fields, factories and workshops, or, Industry combined with agriculture and brain work with manual work

Autor: Kropotkin, Petr Aleksejevič, 1842-1921 Industry combined with agriculture and brain work with manual work

Rok: 1912