PURCHASE, Graham. "Peter Kropotkin: Ecologist, philosopher and revolutionary"
revolutionphilosophyecologyKROPOTKINE, Petr Alekseevitch (1842-1921) * bibliographiePh. D. diss., University of New South Wales (Australia). 2003, pages
Ph. D. diss., University of New South Wales (Australia). 2003, pages