New York Grapic Society, 1957
Buku Referensi
Hulugalle, H.A.J.
Lake House Investments, 1969
Buku Teks
Skinner, Cyril, author
Foris, 1985
Buku Teks
Smither, James G.
Academy of Sri Lankan Culture, 1992
Buku Referensi
Davy, John, author
Tisara Prakasakayo , 1821
Buku Teks