Paranavitana, Senarat
Glimpses of Ceylon's past
Lake House Investments, 1972
 Buku Teks SO
Arasartnam, Sinnappah
Ceylon
Prentice-Hall, 1964
 Buku Teks SO
Ludowyk, E.F.C.
Story of ceylon
Faber and Faber, 1962
 Buku Teks SO
Amerasinghe, Anthony Ranjit Bevis
Public corporations in Ceylon
Lake House Investments, 1971
 Buku Teks
Knox, Robert
An Historical relation of Ceylon
Ceylon Tisara Prakasakayo, 1966
 Buku Teks SO