%0 Print %0 Archives/Manuscripts %E American Colonization Society %E Clay, Henry, 1777-1852 %E Barton, William E. (William Eleazar), 1861-1930 %E William E. Barton Collection of Lincolniana (University of Chicago) %D 1849 %G English %T Certificate of membership : Washington, D.C., 1849 June 29.