This article analyzes the link between the reflection on memory and many issues concerning the epistemological, normative and practical aspects of historical knowledge. It specifically considers the reception of Maurice Halbwachs´s work related to the collective memory in the auto reflection of history drawn by Marc Bloch. Also it takes into account the role of memory as an object and an useful purpose of history and its definition as a criticism of tradition. It deals with different analysis of the association among memory, history and tradition of two authors, E.P. Thompson ad Carlo Ginzburg, whose works are placed in a similar entry of auto reflection.
Historiography; memory; tradition