Analysis of information sources in references of the Wikipedia article "Thomas Mifflin" in English language version.
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: CS1 maint: unfit URL (link){{cite web}}
: CS1 maint: unfit URL (link) Citing Ferris, Robert G., ed. (1976). Signers of the Constitution: Historic Places Commemorating the Signing of the Constitution (revised ed.). Washington, DC: U.S. Department of the Interior, National Park Service. pp. 193–94.