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):119-38. https://so06.tci-thaijo.org/index.php/pub_jss/article/view/248870.