Books Written:

Overseas Investment in the Age of High Imperialism. The United Kingdom, 1850-1914. New York NY: Columbia University Press, 1982.

Journal Articles:

"War and the American Economy in the Twentieth Century," Ch. 6 in Stanley L. Engerman and Robert E. Gallman (eds.), The Cambridge Economic History of the United States . Volume III. The Twentieth Century . Cambridge UK & New York NY : Cambridge University Press, 2000. Pp. 329-406.

"The Size of the U.S. Armed Forces during World War II: Feasibility and War Planning," Research in Economic History , Vol. 20, 2001, 47-98.

"Was Adherence to the Gold Standard a "Good Housekeeping Seal of Approval" during the Interwar Period," [with Michael Bordo and Hugh Rockoff], Ch. 10 in Stanley L. Engerman et al (eds.), Finance, Intermediaries, and Economic Development . Cambridge UK & New York NY : Cambridge University Press, 288-318.

“Foreign Investment, Accumulation, and Empire, 1860-1914,” a chapter in R. Floud and P. Johnson (eds.), The Cambridge Economic History of Britain . Cambridge UK & New York NY : Cambridge University Press, 2004.

"International Transactions and Foreign Commerce", a chapter in the Millennial Edition of the Historical Statistics of the United States . Cambridge UK & New York NY : Cambridge University Press, forthcoming, 2004.

"The production of engineers in New York Colleges and Universities, 1800-1950: Some New Data," Ch. 6 in David Eltis, Frank D. Lewis, and Kenneth L. Sokoloff (eds), Human Capital and Institutions. A Long-Run View. New York: Cambridge University Press, 2009. Pp. 179-217.