Source book on European governments ; Switzerland, France, Italy, Germany, the Soviet union - Rappard, William E. (William Emmanuel), 1883-1958; Sharp, Walter Rice, 1896-1977; Schneider, Herbert W. (Herbert Wallace), 1892-1984; Pollock, James K. (James Kerr), 1898-1968; Harper, Samuel N. (Samuel Northrup), 1882-1943 (D. Van Nostrand company, inc., 1937)