Dougherty, D. J. (1946). Memorial to Thomas Fitzsimons, Merchant, Patriot, Statesman. Philadelphia.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDougherty, Daniel J. Memorial to Thomas Fitzsimons, Merchant, Patriot, Statesman. Philadelphia, 1946.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDougherty, Daniel J. Memorial to Thomas Fitzsimons, Merchant, Patriot, Statesman. Philadelphia, 1946.
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