. . "Lectures on slavery" . "Lectures on slavery"@en . . . "Lectures on slavery from the London ed., with additions to the Amer. ed"@en . . . . . . . . . "Lectures on slavery, by rev. Benjamin Godwin,... From the London edition, with additions to the American edition" . . . . . . . . . . . . . . . . . "Lectures in slavery" . . . . . . . . . "Lectures on slavery. From the London edition, with additions to the American edition"@en . . "Lectures on slavery : from the London ed., with additions to the Amer. ed"@en . . . . . . . . . "Adam Matthew Digital (Firme)" . . "Esclavitud." . . . . "Abolicionistes." . .