Letters on the Colonization Society: And on Its Probable Results ... Situation of the Colonists at Monrovia, and Other Towns ... Addressed to the Hon. C. F. Mercer, M. H. R. U. S. To which is Prefixed the Important Information Collected by Joseph Jones, a Coloured Man, Lately Sent to Liberia, by the Kentucky Colonization Society, to Ascertain the True State of the Country ... and the Situation and Prospects of the Colonists