The letters and papers of Chaim Weizmann : Series A, Letters. . Vol. 6, March 1913 - July 1914 / Gen. ed. Meyer W. Weisgal. Ed. by Gedalia Yogev ; Shifra Kolatt ; Evyatar Friesel. Engl. ed.: Barnet LitvinoffChaim Weizmann - Weisgal, Meyer Wolfe; Yogev, Gedalia (The letters and papers of Chaim Weizmann : Series A, Letters, 1974)