History as Human Behavior Abraham Seldin Eisenstadt (editor) Samuel Hays In: "The craft of American history: selected essays (Vol. 2)". Pp 126-140. 1966 2 substantive philosophy of history
The Life and Soul of History Abraham Seldin Eisenstadt (editor) Merrill Jensen Samuel Flagg Bemis David Donald In: "The craft of American history: selected essays (Vol. 2)". Pp 250-258. 1966 2 substantive philosophy of history