Honey, William Bowyer, 1889-, author
George Routledge & Sons, 1947
Buku Teks
Grierson, Herbert John Clifford, Sir, 1866-1960, author
Chatto and Windus, 1950
Buku Teks
edited by John Wain
Oxford University Press, 1990
Buku Referensi
Kroeber, Karl, author
Harper and Row, 1965
Buku Teks
chosen & edited by Sir Arthur Quiller-Couch
Clarendon Press , 1949
Buku Teks