Columbia subject headings:
Harvard subject headings:
Christian V, King of Denmark and Norway, 1646-1699.
Denmark--History--Christian V, 1670-1699.
Denmark. Hæren--History--17th century.
Foreign enlistment--Great Britain--History--17th century.
Ireland--History--War of 1689-1691--Participation, Danish.
Ireland--History--War of 1689-1691.
Soldiers--Denmark--History--17th century.
Princeton subject headings:
Foreign enlistment--Great Britain--History--17th century.
Ireland--History--War of 1689-1691.
Soldiers--Denmark--History--17th century.