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Spiteri 2014, pp. 188–191 Spiteri, Stephen C. (2014). "Fort Manoel". ARX Occasional Papers. 4. Archived from the original on 18 April 2019. Retrieved 4 June 2020.
militaryarchitecture.com
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Spiteri 2011, p. 68 Spiteri, Stephen C. (2011). "Fort Tigné 1792". ARX Occasional Papers. 1. Archived from the original on 18 April 2019. Retrieved 4 June 2020.
Bonnici 2004–2007, p. 35 Bonnici, Hermann (2004–2007). "Fort Ricasoli"(PDF). Arx – Online Journal of Military Architecture and Fortification (1–4): 33–38. Archived from the original(PDF) on 15 November 2015. Retrieved 10 October 2015.
Spiteri 2014, pp. 188–191 Spiteri, Stephen C. (2014). "Fort Manoel". ARX Occasional Papers. 4. Archived from the original on 18 April 2019. Retrieved 4 June 2020.