Description
Related Subjects
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The graph displays the other subjects mentioned on the same pages as the subject "Smith, Willliam S., 1831-". If the same subject occurs on a page with "Smith, Willliam S., 1831-" more than once, it appears closer to "Smith, Willliam S., 1831-" on the graph, and is colored in a darker shade. The closer a subject is to the center, the more "related" the subjects are.