He followed that with a study of the "economic problems of the Yugoslav peasantry within a larger social, political and historical framework" in his 1955 book Peasants, Politics, and Economic Change in Yugoslavia.
To je slijedio studijom o "gospodarskim problemima seljaštva Jugoslavije unutar šireg društvenog, političkog i povijesnog okvira" u knjizi iz 1955. godine Peasants, Politics, and Economic Change in Yugoslavia.