America's sentinels of freedomRobert L. Perry, Frederic Oder, J. C. Fitzpatrick, Paul Worthman, R. Cargill Hall, Keith R. Hall, Clayton D. Laurie, United States. National Reconnaissance Office. Office of the Historian · First published 2002Open the Tome
Black workers and labour unions in Birmingham, Alabama, 1897-1904Paul B. Worthman · First published 1975Open the Tome
Social criticism in James Fenimore Cooper's Littlepage manuscriptsPaul Worthman · First published 1941Open the Tome
