An essay on slavery [electronic resource] : proving from Scripture its inconsistency with humanity and religion ; in answer to a late publication, entitled, "The African trade for negro slaves shewn to be consistent with principles of humanity, and with the laws of revealed religion." / by Granville Sharp, esq. With an introductory preface, containing the sentiments of the monthly reviewers on that publication ; and the opinion of several eminent writers on the subject ; to which is added, An elegy on the miserable state of an African slave, by the celebrated and ingenious William Shenstone, esq.