Kearney, Robert N.
Cornell University Press, 1973
Buku Teks
edited by C.H. Philips
Oxford University Press, 1961
Buku Teks
Paranavitana, Senarat, author
Lake House Investments, 1972
Buku Teks
Knox, Robert, author
Ceylon Tisara Prakasakayo, 1966
Buku Teks
Ludowyk, E.F.C., author
Frederick A. Praeger, 1966
Buku Teks