Minutes of the proceedings of the second convention of delegates from the abolition societies established in different parts of the United States, assembled at Philadelphia, on the seventh day of january, one thousand seven hundred and ninety-five, and continued, by adjournments, until the fourteenth day of the same month, inclusive

A Description of the river Susquehanna , with observations on the present state of its trade and navigation, and their practicable and probable improvement. Illustrated with a map and an appendix

Minutes of the proceedings of the eighth convention of delegates from the abolition societies established in different parts of the United States, assembled at Philadelphia, on the tenth day of january, one thousand eight hundred ans three, and continued by adjournment until the fourteenth day of the same month, inclusive , with observations on the present state of its trade and navigation, and their practicable and probable improvement. Illustrated with a map and an appendix