Wenner, H. C. Letter, 1846 September 9. 1 item. Location: Misc:W. Letter written by Wenner responding to a request to state his views on slavery. He found slavery, particularly American slavery, an abhorrence, and felt it should be abolished in the District of Columbia. The letter continues with whether Congress possessed the constitutional power to do this should the union of free and slave states continue. For further information, see online catalog. Mss. 3666.