Columbia subject headings:
Harvard subject headings:
Great Britain--Economic conditions--1760-1860--Congresses.
Slave trade--Great Britain--History--Congresses.
Slave trade--West Indies, British--History--Congresses.
Williams, Eric Eustace, 1911-1981--Congresses.
Princeton subject headings:
Great Britain--Economic conditions--1760-1860--Congresses.
Slave trade--Great Britain--History--Congresses.
Slave trade--West Indies, British--History--Congresses.
Williams, Eric Eustace, 1911-1981--Congresses.