According to information about Fred HUGHES in the back of the supplement, " The Library of Congress has requested copies of all eight of Fred's historical county maps. (The eight counties are Surry, Stokes, Rockingham, Randolph, Montgomery, Yadkin, Guilford and Davie). Guilford College, The Univ. of NC and Duke University are among the many colleges and universities all over the US that have included Fred's maps in their collections. Fred has written or compiled notes for the publishing of ten (10) books..."