http://pec.lib.wvu.edu/record/P24881920Abraham Lincoln : an address ... delivered at Harpers Ferry, W. Va., Sunday, February 9, 1920. <p> Government document. "Printed in the <em>Congressional Record</em>, Thursday, February 12, 1920." "Washington, Government Printing Office, 1920". "164133--20436".</p>Goodykoontz, Wells, 1872-1944.Presidents--United States--Biography.Lincoln, Abraham, 1809-1865.14256