Columbia subject headings:
Harvard subject headings:
Geology--History--Congresses.
Hutton, James, 1726-1797--Congresses.
Hutton, James, 1726-1797. Theory of the earth--Congresses.
Princeton subject headings:
Geology--History--Congresses.
Hutton, James, 1726-1797--Congresses.
Hutton, James, 1726-1797. Theory of the earth--Congresses.