Jefferson and Slavery. The "Atlantic Monthly," Vol. IX, p. 29.

The Statesmanship of Richelieu. The "Atlantic Monthly," Vol. IX, p. 611.

The Development and Overthrow of Serfdom in Russia. The "Atlantic
Monthly," Vol. X, p. 538.

Outlines of Courses of Lectures on History, Mediaeval and Modern, given at the University of Michigan. Various editions, Ann Arbor and Detroit, 1858-1863; another edition, Ithaca, 1872.

A Word from the North West; being historical and political statements in response to strictures in the "American Diary" of Dr. W. H. Russell. London, 1862. The same, Syracuse, New York, 1863.

A Review of the Governor's Message. Speech in the State Senate, 1864, embracing sundry historical details. Albany, 1864.

The Cornell University. Speech in the State Senate. Albany, 1865.

Plea for a Health Department in the City of New York. A speech in the New York State Senate. Albany, 1866.

The Most Bitter Foe of Nations, and the Way to Its Permanent
Overthrow. An address before the Phi Beta Kappa Society at Yale
College, 1866. New Haven, 1866.

Report on the Organization of a University, with historical details based upon the history of advanced education, presented to the trustees of Cornell University, October, 1866. Albany, 1867.