Columbia subject headings:
Cleveringa, R. P. (Rudolph Pabus), 1894-1980.
Law teachers--Netherlands--Biography.
Prisoners of war--Germany--Biography.
World War, 1939-1945--Concentration camps--Germany.
Harvard subject headings:
Cleveringa, R. P. (Rudolph Pabus), 1894-1980.
Law teachers--Netherlands--Biography.
Prisoners of war--Germany--Biography
World War, 1939-1945--Concentration camps--Germany.
Princeton subject headings: