Description
Related Subjects
The graph displays the other subjects mentioned on the same pages as the subject "Bull Run, 1st Battle of, Va., 1861.". If the same subject occurs on a page with "Bull Run, 1st Battle of, Va., 1861." more than once, it appears closer to "Bull Run, 1st Battle of, Va., 1861." on the graph, and is colored in a darker shade. The closer a subject is to the center, the more "related" the subjects are.