Columbia subject headings:
Austrians--Vietnam (Democratic Republic)--Biography.
Borchers, Erwin, 1906-
Frey, Ernst, 1915-
Germans--Vietnam (Democratic Republic)--Biography.
Schröder, Rudy, 1911-
Vietnam (Democratic Republic)--Biography.
Việt Nam độc lập đồng minh hội.
Harvard subject headings:
Austrians--Vietnam (Democratic Republic)--Biography.
Austrians--Vietnam.
Borchers, Erwin, 1906-
Defectors--Vietnam
Free Vietnam Alliance--History.
Frey, Ernst, 1915-
Germans--Vietnam (Democratic Republic)--Biography.
Germans--Vietnam.
Schröder, Rudy, 1911-
Vietnam (Democratic Republic)--Biography.
Việt Nam độc lập đồng minh hội
Princeton subject headings:
Austrians--Vietnam (Democratic Republic)--Biography.
Borchers, Erwin, 1906-
Frey, Ernst, 1915-
Germans--Vietnam (Democratic Republic)--Biography.
Schröder, Rudy, 1911-
Vietnam (Democratic Republic)--Biography.
Việt Nam độc lập đồng minh hội.