The Chaim Kaplan diary consists, in its entirety, of a diary that Kaplan maintained in Hebrew, from 1933 to 1942. The United States Holocaust Memorial Museum obtained three original volumes of this diary in 2009, consisting of: Book 3, dating from April 4, 1935 to August 4, 1936 (pages 1-390); Book 7, consisting of entries from August 30, 1939 to December 23, 1939 (pages 53-280); and other fragments, dating from May 7, 1942 to July 2, 1942, paginated from 230-309. While earlier entries focus on personal matters and events, Kaplan made a conscious choice to chronicle Jewish life and external...