Grierson, Herbert John Clifford, Sir, 1866-1960, author
Chatto and Windus, 1950
Buku Teks
Garland , 1993
Buku Teks
edited by Marc Treib
MIT Press, 1993
Buku Teks
Reid, Anthony, 1939-, author
John Wiley & Sons, 2015
Buku Teks
edited by Norman Doe and Russell Sandberg
Routledge, 2017
Buku Teks