Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
The Correlates of War: Vol. 1, Research Origins and Rationale; Vol. 2, Testing Some Realpolitik Models. Edited by J. David Singer.(New York: Free Press, 1979, 1980. Pp. xix+ 405, xxxviii+ 328. 25.00.)
America in the Age of the Titans: The Progressive Era and World War I. By Sean Dennis Cashman. New York: New York University, 1988. Pp. xvi, 605. 17.50, paper.