Columbia subject headings:
Harvard subject headings:
Anton Günther, Count of Oldenburg, 1583-1667.
Germany--Foreign relations--1648-1740.
Germany--Relations--Great Britain.
Great Britain--Foreign relations--1649-1660.
Great Britain--Relations--Germany.
Milton, John, 1608-1674--Biography--Careers.
Mylius, Hermann, 1603?-1657.
Oldenburg (Germany : Landkreis)--Politics and government.
Princeton subject headings:
Anthon Günter, Count of Oldenburg, 1583-1667.
Germany--Foreign relations--1648-1740.
Germany--Relations--Great Britain.
Great Britain--Foreign relations--1649-1660.
Great Britain--Relations--Germany.
Milton, John, 1608-1674.
Mylius, Hermann, 1603?-1657.
Oldenburg (Germany : Landkreis)--Politics and government.