Crocker, L. G. (1959). An Age of Crisis: Man and World in Eighteenth Century French Thought. Johns Hopkins Press.

Crocker, Lester G. An Age of Crisis: Man and World in Eighteenth Century French Thought. Baltimore: Johns Hopkins Press, 1959.

Crocker, Lester G. An Age of Crisis: Man and World in Eighteenth Century French Thought. Johns Hopkins Press, 1959.