Simmonds, E.H.S (1963). "The Thalang Letters, 1773-94: political aspects and the trade in arms". The School of Oriental and African Studies, University of London. 26 (3): 592–619. doi:10.1017/S0041977X00070348. S2CID153506132.
Simmonds, E.H.S (1963). "The Thalang Letters, 1773-94: political aspects and the trade in arms". The School of Oriental and African Studies, University of London. 26 (3): 592–619. doi:10.1017/S0041977X00070348. S2CID153506132.