O'Hara. Inventing the Pinkertons; or, Spies, Sleuths, Mercenaries, and Thugs. Johns Hopkins University Press.
Chicago Style aipamenaO'Hara. Inventing the Pinkertons; or, Spies, Sleuths, Mercenaries, and Thugs. Johns Hopkins University Press.
MLA aipamenaO'Hara. Inventing the Pinkertons; or, Spies, Sleuths, Mercenaries, and Thugs. Johns Hopkins University Press.
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