Barzun, Jacques, editor
Harcourt, Brace & World, 1970
Buku Teks
Kent, Sherman, author
Appleton Century Croffs, 1967
Buku Teks
Kent, Sherman, author
Appleton Century Croffs, 1941
Buku Teks
Hockett, Homer Carey
Macmillan, 1963
Buku Teks
Adam Budd, editor
Routledge , 2009
Buku Teks