Columbia subject headings:
Continental drift.
Taylor, Frank B. (Frank Bursley), 1860-1938.
Wegener, Alfred, 1880-1930.
Harvard subject headings:
Continental drift.
Taylor, Frank B. (Frank Bursley), 1860-
Taylor, Frank B. (Frank Bursley), 1860-1938.
Wegener, Alfred, 1880-1930.
Princeton subject headings: