From European to American History: A Comparative View Dietrich Gerhard In: "Journal of American Studies". Vol 14. Pp 27-44. 1980 1 theory and philosophy of historiography comparative methodology world/global/universal history
Periodization in History Philip Paul Wiener (editor) Dietrich Gerhard In: "Dictionary of the history of ideas: studies of selected pivotal ideas". Pp 279-286. 1973 1 theory and philosophy of historiography causation periodization time/temporality