Columbia subject headings:
Harvard subject headings:
Medicine--Early works to 1800
Paracelsus, 1493-1541
Physicians--Denmark--Biography.
Severinus, Petrus, 1542-1602
Princeton subject headings:
Medicine--History--16th century.
Paracelsus, 1493-1541.
Physicians--Denmark--Biography.
Severinus, Petrus, 1542-1602.