The Letters and Papers of Chaim Weizmann. English Edition. Series A. Volume IV: January 1905 - December 1906.
Jerusalem: Israel Universities Press, 1973. Hardbound. Octavo in dust jacket, frontispiece photo, xxxvi, 358 pp., b/w illustrations, biographical index, index. Edited by Leonard Stein, Gedalia Yogev, Shifra Kolatt and Evyatar Friesel. English edition: Barnet Litvinoff. More