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"The Johore Causeway". Malayan Saturday Post. 5 July 1924. Archived from the original on 6 October 2019. Retrieved 6 October 2019 – via NewspaperSG.
"Governors at Loggerheads". The Straits Times. 13 December 1922. Archived from the original on 24 March 2019. Retrieved 24 March 2019 – via NewspaperSG.