Columbia subject headings:
Barringer, Daniel Moreau, 1860-1929.
Meteor Crater (Ariz.)
Thomson, Elihu, 1853-1937.
Harvard subject headings:
Barringer, Daniel Moreau, 1860-1929.
Meteor Crater (Ariz.)
Thomson, Elihu, 1853-1937.
Princeton subject headings:
Barringer, Daniel Moreau, 1860-1929.
Meteor Crater (Ariz.)
Thomson, Elihu, 1853-1937.