ENDescription
See also: http://www.tropicos.org/Person/3447
Related Subjects
The graph displays the other subjects mentioned on the same pages as the subject "Bull, William". If the same subject occurs on a page with "Bull, William" more than once, it appears closer to "Bull, William" on the graph, and is colored in a darker shade. The closer a subject is to the center, the more "related" the subjects are.