Edward Bettle. Notices of Negro Slavery, as connected with Pennsylvania. (Read before the Historical Society of Pennsylvania, Aug. 7, 1826. Printed in Memoirs of the Historical Society of Pennsylvania, Vol. I. Philadelphia, 1864.)
W.O. Blake. History of Slavery and the Slave Trade, Ancient and Modern. Columbus, 1859.
Jeffrey R. Brackett. The Status of the Slave, 1775–1789. (Essay V. in Jameson's Essays in the Constitutional History of the United States, 1775–89. Boston, 1889.)
Thomas Branagan. Serious Remonstrances, addressed to the Citizens of the Northern States and their Representatives, on the recent Revival of the Slave Trade in this Republic. Philadelphia, 1805.
British and Foreign Anti-Slavery Society. Annual and Special Reports.
——. Proceedings of the general Anti-Slavery Convention, called by the committee of the British and Foreign Anti-Slavery Society, and held in London, ... June, 1840. London, 1841.
[A British Merchant.] The African Trade, the Great Pillar and Support of the British Plantation Trade in America:
[British Parliament, House of Lords.] Report of the Lords of the Committee of the Council appointed for the Confederation of all Matters relating to Trade and Foreign Plantations, etc. 2 vols. [London,] 1789.
William Brodie. Modern Slavery and the Slave Trade: a Lecture, etc. London, 1860.