Ithi Sophonpanich (2021) “The Anxieties of Empire: British Debate on the Failure of John Crawfurd’s Mission to Siam, c. 1820-1830”, The Journal of the Siam Society, 109(1), pp. 119–138. available at: https://so06.tci-thaijo.org/index.php/pub_jss/article/view/248870 (accessed: 30 March 2025).