Bailey, Sydney D.
Ceylon
William Brendon ans Son, 1952
 Buku Teks
Arasartnam, Sinnappah
Ceylon
Prentice-Hall, 1964
 Buku Teks SO
Trautz, F.M.
Ceylon
Munchen Muller 1926
 Buku Teks
Amerasinghe, Anthony Ranjit Bevis
Public corporations in Ceylon
Lake House Investments, 1971
 Buku Teks
Tresidder, Argus John
Ceylon : an introduction to the resplendent land
D. Van Nostrand, 1960
 Buku Teks SO