Columbia subject headings:
Harvard subject headings:
Astronomy--Germany--History--20th century.
Germany--Politics and government--1933-1945.
Glacial cosmogony.
Hörbiger, Hanns, 1860-1931
National socialism and science.
Princeton subject headings:
Astronomy--Germany--History.
Germany--Politics and government--1933-1945.
Glacial cosmogony.
Hörbiger, Hanns, 1860-1931.