Columbia subject headings:
Harvard subject headings:
De la Beche, Henry T., Sir (Henry Thomas), 1796-1855--Catalogs.
Geology--Great Britain--History.
Great Britain
National Museum of Wales--Catalogs.
Wales
Princeton subject headings:
Catalogs.
De La Beche, Henry T. (Henry Thomas), 1796-1855--Catalogs.
Geology--Great Britain--History.
National Museum of Wales--Catalogs.