Columbia subject headings:
Holy Roman Empire--Relations--Spain.
Khevenhüller, Franz Christoph, Graf zu Frankenburg, 1588-1650.
Oñate, Iñigo Vélez de Guevara y Tassis, conde de, 1597-1658.
Spain--Relations--Holy Roman Empire.
Thirty Years' War, 1618-1648.
Harvard subject headings:
Holy Roman Empire--Relations--Spain.
Khevenhüller, Franz Christoph, Graf zu Frankenburg, 1588-1650.
Oñate, Iñigo Vélez de Guevara y Tassis, conde de, 1597-1658.
Spain--Relations--Holy Roman Empire.
Thirty Years' War, 1618-1648
Princeton subject headings:
Holy Roman Empire--Relations--Spain.
Khevenhüller, Franz Christoph, Graf zu Frankenburg, 1588-1650.
Oñate, Iñigo Vélez de Guevara y Tassis, conde de, 1597-1658.
Spain--Relations--Holy Roman Empire.
Thirty Years' War, 1618-1648.