his efforts to impose tariff tax on importation of slaves, [33];
messages, as President, opposing African slave trade, [35];
third President of American Colonization Society, [62];
anti-slavery sentiments of, [90];
declares disunion a menace to slavery, [222];
heads delegation from Virginia to Annapolis Convention, 1786, [238];
his great part in framing constitution, [240].
Marshall, John, first President of Colonization Society of Virginia, [64];
anti-slavery sentiments of, [88].
Marshall, Thomas, a leader in anti-slavery party in Virginia Legislature, 1832, [46];