Forbes, R.J.
Leiden E.J. Brill 1965
Buku Teks
edited by Charles Singer ... [and others]
Clarendon Press, 1954-85
Buku Teks
edited by Ian McNeil
Routledge, 1990
Buku Referensi
Klemm, Friedrich
George Allen and Unwind, 1959
Buku Teks
Negrotti, Massimo
Springer-Verlag, 2012
eBooks