Oxford, UK, Helicon Publishing, 1998. Maps on page 21-22. H975 O'Shea, Richard. American Heritage Battle Maps of the Civil War . Tulsa, OK, Council Oak Books, 1992.
Book call no.
O81a Sears, Stephen W. Chancellorsville . Boston, Houghton Mifflin, 1996. 593 p. Map list after table of contents. Book call no. Harrisburg, PA, Stackpole Books, 1988.