Alexander Hamilton, James Madison, John Jay (1852). “The Federalist, on the new constitution, written in 1788, with an appendix, containing the letters of Pacificus and Helvidius on the proclamation of neutrality of 1793, also the original articles of confederation and the constitution of the United States”, p.233
John Maynard Keynes, Royal Economic Society (Great Britain) (1971). “The Collected Writings of John Maynard Keynes: The general theory and after: pt. 1, Preparation”