Sastri, K. Sambasiva
Trivandrum Government Press 1935
Buku Teks
Editor: A.J. Stockwell, R. Asthon
HMSO, 1995
Buku Teks
Sears, Francis W. (Francis Weston), 1898-1975, author
Addison-Wesley , 1982
Buku Teks
Myongdo Language Institute, [date of publication not identified]
Buku Teks
Vandesande, Anthony V., author
Myongdo Institute, 1967
Buku Teks