Columbia subject headings:
Harvard subject headings:
Anti-Nazi movement--Germany--Peenemünde--Biography.
Anti-Nazi movement--Germany--Zinnowitz--Biography.
Morsche, Johannes ter, 1894-1944.
Morsche, Marie ter, 1930-
Rockets (Ordnance)--Research--History--20th century.
Princeton subject headings:
Anti-Nazi movement--Germany--Peenemünde--Biography.
Anti-Nazi movement--Germany--Zinnowitz--Biography.
Dutch--Germany--Zinnowitz--Biography.
Morsche, Johannes ter, 1894-1944.
Morsche, Marie ter, 1930-
Well drillers--Germany--Zinnowitz--Biography.