^Paul Campbell (13 سبتمبر 2013). "Mayoral portraits on display at Providence City Hall". YouTube. The Providence Journal. مؤرشف من الأصل في 2016-03-14. اطلع عليه بتاريخ 2015-06-03. If you were to proclaim the greatest mayor of the 19th Century, hands down it would be Doyle
^"Mayor Doyle Paralyzed". The New York Times. 7 يونيو 1886. ص. 1. مؤرشف من الأصل في 2020-12-10. اطلع عليه بتاريخ 2020-03-23. PROVIDENCE, R.I., June 6.—The condition of Mayor Thomas A. Doyle, of this city, who was seized with a shock of paralysis at 5:30 o'clock last evening, does not augur well for his recovery.
