Hellenism, The Jewish publication society of America, Philadelphia, 1919.
Ahad Ha'am and his philosophy, Keren Hayesod (Palestine Foundation Fund) and the Keren Kayemeth Le-Israel, Jerusalem, 1927.
The Mandates System, Longmans, London, 1930.
England in Palestine, Kegan Paul, Trench, Trubner & Co. Ltd., London, 1932.
A Wanderer in the Promised Land, The Soncino Press, 1932
Palestine, Benn, London, 1934.
Fulfilment in the Promised land, 1917–1937, Soncino Press, London, 1938.
Solomon Schechter: A Biography, Jewish Publication Society of America, Philadelphia, 1938
Wanderer Between Two Worlds – An Autobiography, Kegan Paul Trench Trubner, London, 1941.
Judaea lives again, V. Gollancz, London, 1943.
A Wanderer in War, V. Gollancz, London, 1946
Israel, Ernest Bend, 1952.
For Zion's Sake. A Biography of Judah L. Magnes. First Chancellor and First President of the Hebrew University of Jerusalem, Jewish Publication Society, 1954.
Israel And Her Neighbours: A Short Historical Geography, Rider And Company, London, 1955.
The Jews in our Times, Penguin Books, Harmondsworth, 1960.
Israel Resurgent, Ernest Benn, London, 1960.
My 77 years : an account of my life and times, 1883–1960, Jewish Publication Society of America, Philadelphia, 1961.
Mandate Memories (with Helen Bentwich), The Hogarth Press, London, 1965.
Israel : two fateful years, 1967–69, Elec, London, 1970.
Jewish Youth Comes Home: The Story of the Youth Aliyah, 1933-1943, Hyperion Press, 1976.