Frederic Kidder. The Slave Trade in Massachusetts. (In New-England Historical and Genealogical Register, XXXI. 75.)
George Lawrence. An Oration on the Abolition of the Slave Trade ... Jan. 1, 1813. New York, 1813.
William B. Lawrence. Visitation and Search; or, An Historical Sketch of the British Claim to exercise a Maritime Police over the Vessels of all Nations, in Peace as well as in War. Boston, 1858.
Letter from ... in London, to his Friend in America, on the ... Slave Trade, etc. New York, 1784.
Thomas Lloyd. Debates of the Convention of the State of Pennsylvania on the Constitution, proposed for the Government of the United States. In two volumes. Vol. I. Philadelphia, 1788.
London Anti-Slavery Society. The Foreign Slave Trade, A Brief Account of its State, of the Treaties which have been entered into, and of the Laws enacted for its Suppression, from the date of the English Abolition Act to the present time. London, 1837.
——. The Foreign Slave Trade, etc., No. 2. London, 1838.
London Society for the Extinction of the Slave Trade, and for the Civilization of Africa. Proceedings at the first Public Meeting, held at Exeter Hall, on Monday, 1st June, 1840. London, 1840.
Theodore Lyman, Jr. The Diplomacy of the United States, etc. Second edition. 2 vols. Boston, 1828.