Benjamin Constant, The Liberty of Ancients Compared with that of Moderns (Unknown, 1819).

The Federalist (The Gideon Edition), Edited with an Introduction, Reader’s Guide, Constitutional Cross-reference, Index, and Glossary by George W. Carey and James McClellan (Indianapolis: Liberty Fund, 2001).

The Works of Ralph Waldo Emerson, in 12 vols. Fireside Edition (Boston and New York, 1909). Vol. 3 Essays. Second Series.

Cicero De Senectute (On Old Age), translated with an Introduction and Notes by Andrew P. Peabody (Boston: Little, Brown, and Co., 1887).

History of European Morals from Augustus to Charlemagne, vol. 1 Third edition, revised (New York: D. Appleton, 1921).

Some Love Songs of Petrarch, translated and annotated with a Biographical Introduction by William Dudley Foulke (Oxford University Press, 1915).

The Complaint of Peace. Translated from the Querela Pacis (A.D. 1521) of Erasmus (Chicago: Open Court, 1917).

The Wages Question: A Treatise on Wages and the Wages Class (London: Macmillan, 1888).

The English Works of Thomas Hobbes of Malmesbury; Now First Collected and Edited by Sir William Molesworth, Bart., (London: Bohn, 1839-45). 11 vols. Vol. 9.

A Source Book for Mediaeval History. Selected Documents Illustrating the History of Europe in the Middle Age, ed. Oliver J. Thatcher and Edgar Holmes McNeal (New York: Charles Scribner’s Sons, 1905).