Columbia subject headings:
Bishops--Italy--Biography.
Byzantine Empire--Foreign relations--527-1081--Early works to 1800.
Byzantine Empire--Foreign relations--Holy Roman Empire--Early works to 1800.
Europe--History--476-1492--Early works to 1800.
Holy Roman Empire--Foreign relations--Byzantine Empire--Early works to 1800.
Italy--History--Germanic rule, 962-1268--Early works to 1800.
Liudprand, Bishop of Cremona, -approximately 972.
Nicephorus II Phocas, Emperor of the East, 912-969--Early works to 1800.
Otto I, Holy Roman Emperor, 912-973--Early works to 1800.
Harvard subject headings:
Bishops--Italy--Biography
Byzantine Empire--Foreign relations--527-1081--Early works to 1800.
Byzantine Empire--Foreign relations--Holy Roman Empire--Early works to 1800.
Europe--History--476-1492--Early works to 1800.
Holy Roman Empire--Foreign relations--Byzantine Empire--Early works to 1800.
Italy--History--Germanic rule, 962-1268--Early works to 1800.
Liudprand, Bishop of Cremona, -approximately 972.
Nicephorus II Phocas, Emperor of the East, 912-969--Early works to 1800.
Otto I, Holy Roman Emperor, 912-973--Early works to 1800.
Princeton subject headings:
Europe--Foreign relations--Turkey.
Europe--History--476-1492--Early works to 1800.
Liudprand, Bishop of Cremona, -approximately 972--Travel--Turkey.
Turkey--Foreign relations--Europe.