Columbia subject headings:
Great Britain--History--Civil War, 1642-1649.
Levellers.
Overton, Richard, active 1646.
Harvard subject headings:
Great Britain--Church history--17th century.
Great Britain--Politics and government--1642-1660.
Levellers.
Overton, Richard, active 1642-1663.
Overton, Richard, active 1646.
Princeton subject headings: