- Author: Malaysian Branch of the Royal Asiatic Society
- Language: English
- Year: 1983
- Author: T. Grahame Bailey
- Language: English
- Year: 1924
- Author: Cyril Skinner
- Language: English
- Year: 1965
- Author: Sharom Ahmat
- Language: English
- Year: 1984
- Author: S.M. Middlebrook and J.M. Gullick
- Language: English
- Year: 1989
- Author: Patrick Sullivan
- Language: English
- Year: 1982
- Author: Ahmat Adam
- Language: English
- Year: 2009