ENDescription
Related Subjects
The graph displays the other subjects mentioned on the same pages as the subject " J. B. Metcalfe". If the same subject occurs on a page with " J. B. Metcalfe" more than once, it appears closer to " J. B. Metcalfe" on the graph, and is colored in a darker shade. The closer a subject is to the center, the more "related" the subjects are.