"Wignacourt Aqueduct – Attard"(PDF). National Inventory of the Cultural Property of the Maltese Islands. 28 December 2012. Archived from the original(PDF) on 7 March 2016.
"Wignacourt Aqueduct – Balzan"(PDF). National Inventory of the Cultural Property of the Maltese Islands. 28 December 2012. Archived from the original(PDF) on 7 March 2016.
"Round Tower (Water Tower)"(PDF). National Inventory of the Cultural Property of the Maltese Islands. 16 December 2011. Archived from the original(PDF) on 7 March 2016.
"Wignacourt Aqueduct – Attard"(PDF). National Inventory of the Cultural Property of the Maltese Islands. 28 December 2012. Archived from the original(PDF) on 7 March 2016.
"Wignacourt Aqueduct – Balzan"(PDF). National Inventory of the Cultural Property of the Maltese Islands. 28 December 2012. Archived from the original(PDF) on 7 March 2016.
"Round Tower (Water Tower)"(PDF). National Inventory of the Cultural Property of the Maltese Islands. 16 December 2011. Archived from the original(PDF) on 7 March 2016.