Columbia subject headings:
Counterinsurgency--Croatia--History.
Counterinsurgency--Germany--History.
Counterinsurgency--Slovenia--History.
World War, 1939-1945--Campaigns--Croatia.
World War, 1939-1945--Campaigns--Slovenia.
World War, 1939-1945--Underground movements--Croatia.
World War, 1939-1945--Underground movements--Slovenia.
Harvard subject headings:
Counterinsurgency--Croatia--History.
Counterinsurgency--Germany--History.
Counterinsurgency--Slovenia--History.
World War, 1939-1945--Campaigns--Croatia.
World War, 1939-1945--Campaigns--Slovenia.
World War, 1939-1945--Underground movements--Croatia.
World War, 1939-1945--Underground movements--Slovenia.
Princeton subject headings:
Counterinsurgency--Croatia--History.
Counterinsurgency--Germany--History.
Counterinsurgency--Slovenia--History.
World War, 1939-1945--Campaigns--Croatia.
World War, 1939-1945--Campaigns--Slovenia.
World War, 1939-1945--Underground movements--Croatia.
World War, 1939-1945--Underground movements--Slovenia.