. . "United States" . . . . . . "Electronic books"@en . . . . . . "Violations of the federal constitution in the \"irrepressible conflict\" between the pro-slavery and anti-slavery sentiments of the American people a lecture, delivered in sundry places during January and February, 1861"@en . . . . . . . . . . "Controversial literature"@en . "Violations of the Federal Constitution, in the \"irrepressible conflict\" between the pro-slavery and anti-slavery sentiments of the American people a lecture, delivered in sundry places during January and February, 1861"@en . . . . . . . "1857 - 1861" . . "1845 - 1861" . .