Internal improvements, by the States, [317], [318], [364];

Calhoun’s attitude toward, [318], [338];

Madison’s attitude toward, [318];

favored by John Quincy Adams, [338];

liberality of the Fifty-first Congress toward, [637].

Internal revenue. See [Revenue].

International Copyright Law, passed, [643].

Interstate Commerce Act, [623].

Inventions, [449], [709].

Iroquois Indians, [3].