Columbia subject headings:
Harvard subject headings:
Atmospheric physics--History.
Bjerknes, V. (Vilhelm), 1862-
Meteorologists--Norway--Biography.
Meteorology--History
Princeton subject headings:
Atmospheric physics--History.
Bjerknes, V. (Vilhelm), 1862-1951.
Meteorologists--Norway--Biography.
Meteorology--History.