Columbia subject headings:
Harvard subject headings:
Dystopias in literature.
Orwell, George, 1903-1950. Animal farm.
Orwell, George, 1903-1950. Nineteen eighty-four.
Princeton subject headings:
Orwell, George, 1903-1950. Animal farm.
Orwell, George, 1903-1950. Nineteen eighty-four.