Columbia subject headings:
Croats--Political activity--Germany (West)--20th century.
National security--Germany (West)--20th century.
Yugoslavs--Germany (West)--Social conditions--20th century.
Yugoslavs--Political activity--Germany (West)--20th century.
Harvard subject headings:
Princeton subject headings:
Croats--Political activity--Germany (West)--20th century.
National security--Germany (West)--20th century.
Yugoslavs--Germany (West)--Social conditions--20th century.
Yugoslavs--Political activity--Germany (West)--20th century.