1. Agrarian structure and peasant discontent in the Russian revolution of 1905;The East Lakes Geographer,1967
2. Social justice and the city;Harvey,1973
3. Aspects régionaux de l'agrarisme français avant 1930;Barral;Le Mouvement Social,1969
4. The process of modernisation and the industrial revolution in England;Wrigley;Journal of Inter-disciplinary History,1972