"W.E.M.", Journal of the Straits Branch of the Royal Asiatic Society (1878)
“ At the foot of Bukit Mertajam, on the South side, there is a block of granite on which some rude characters have been traced. The Malays call it batu surat, the rock of the writing. I believe that the inscription has never been deciphered and that the character has not been identified. ”
