Braddell, R. S. J., & Douglas, F. W. (1980). A study of ancient times in the Malay Peninsula and the Straits of Malacca and notes on ancient times in Malaya. Printed for the Malaysian Branch of the Royal Asiatic Society by Art Print. Works.

Braddell, Roland St. John, and F. W. Douglas. A Study of Ancient Times in the Malay Peninsula and the Straits of Malacca and Notes on Ancient Times in Malaya. Kuala Lumpur: Printed for the Malaysian Branch of the Royal Asiatic Society by Art Print. Works, 1980.

Braddell, Roland St. John, and F. W. Douglas. A Study of Ancient Times in the Malay Peninsula and the Straits of Malacca and Notes on Ancient Times in Malaya. Printed for the Malaysian Branch of the Royal Asiatic Society by Art Print. Works, 1980.