The book ‘Anti-Slavery Opinions before the Year 1800’ is written by George Buchanan. ‘Anti-Slavery Opinions before the Year 1800’ is a work read before the Cincinnati Literary Club in 1872. The book consists of a facsimile reprint of Dr. George Buchanan’s oration on the moral and political evil of slavery, delivered at a public meeting of the Maryland Society for Promoting the Abolition of Slavery, Baltimore, on July 4, 1791.