Columbia subject headings:
Borrow, George, 1803-1881.
Portugal--Description and travel.
Spain--Description and travel.
Harvard subject headings:
Borrow, George, 1803-1881--Travel--Portugal.
Borrow, George, 1803-1881--Travel--Spain.
Portugal--Description and travel.
Spain--Description and travel.
Princeton subject headings:
Borrow, George, 1803-1881.
Portugal--Description and travel.
Spain--Description and travel.