"1853 - 1857" . . "The true issue, and the duty of the Whigs An address before the citizens of Cambridge, October 1, 1856"@en . "The true issue and the duty of the Whigs an address before the citizens of Cambridge, October 1, 1856"@en . . . . . . . . . . . . . . "The true issue, and the duty of the Whigs an address before the citizens of Cambridge, October 1, 1856" . "The true issue, and the duty of the Whigs an address before the citizens of Cambridge, October 1, 1856"@en . . . . . . . . "Controversial literature" . "Controversial literature"@en . . . . . . . . . "Non-extension of slavery and constitutional representation"@en . "Non-extension of slavery and constitutional representation" . "Addresses"@en . . . . "The true issue, and the duty of the Whigs. An address before the citizens of Cambridge, October 1, 1856"@en . "The true issue, and the duty of the Whigs. An address before the citizens of Cambridge, October 1, 1856" . . . . . . . . . . . "The true issue, and the duty of the Whigs : an address before the citizens of Cambridge, October 1, 1856" . "The true issue, and the duty of the Whigs : an address before the citizens of Cambridge, October 1, 1856"@en . . . "1849 - 1861" . . "United States" . . "Adam Matthew Digital (Firme)" . . . .