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Related articles:
Pinkerton National Detective Agency
Private investigator
Union Army
American Civil War
Confederate States of America
Espionage
Abraham Lincoln
George B. McClellan
Key terms: pinkerton union death labor agency detective service allan pinkerton chicago late united states train private glasgow database available undercover confederate labor unions american civil war after his death abraham lincoln intelligence service pinkerton national detective agency Search external links cited by footnotes on Wikipedia page Allan Pinkerton: |
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