"Slavery United States Early works to 1800." . . "Slavery Religious aspects Christianity." . . "Some considerations on the keeping of Negroes. Recommended to the professors of Christianity of every denomination"@en . . . "Some considerations on the keeping of Negroes ; Considerations on the keeping of Negroes"@en . "Some considerations on the keeping of Negroes ; Considerations on the keeping of Negroes" . . "Some considerations on the keeping of Negroes : Recommended to the professors of Christianity of every denomination" . . "Electronic books"@en . . . . "Some considerations on the keeping of negroes"@en . "Some considerations on the keeping of negroes" . . . "Early works" . . . "Some Considerations on the Keeping of Negroes"@en . "Considerations on the keeping of Negroes"@en . . "Some considerations on the keeping of Negroes : recommended to the professors of Christianity of every denomination"@en . "Some considerations on the keeping of Negroes : recommended to the professors of Christianity of every denomination" . . . . . . . . . . . . . . "Some considerations on the keeping of Negroes recommended to the professors of Christianity of every denomination"@en . "Some considerations on the keeping of Negroes recommended to the professors of Christianity of every denomination" . . . . . . "Some considerations on the keeping of Negroes Recommended to the professors of Christianity of every denomination. By John Woolman" . . . . . . "Booksellers' advertisements" . "Booksellers' advertisements"@en . . . "Controversial literature" . . "Controversial literature"@en . . . . . "Some considerations on the keeping of negroes : recommended to the professors of Christianity of every denomination"@en . . . . . . "Some considerations on the keeping of Negroes Recommended to the professors of Christianity of every denomination" . "Some considerations on the keeping of Negroes Recommended to the professors of Christianity of every denomination"@en . . . . . . . "Two essays on slavery"@en . . . . "1753 - 1770" . . "Slavery." . . . . "Adam Matthew Digital (Firme)" . . "Slavery Religious aspects Christianity Early works to 1800." . . "United States." . . "Historical Society of Pennsylvania." . . "Esclavage États-Unis." . .