Columbia subject headings:
Oxenstierna, Axel, greve, 1583-1654.
Sweden--Foreign relations--1523-1654.
Harvard subject headings:
Oxenstierna, Axel, greve, 1583-1654.
Sweden--Foreign relations--1523-1654.
Princeton subject headings:
Oxenstierna, Axel, greve, 1583-1654.
Sweden--Foreign relations--1523-1654.