Description
Related Subjects
The graph displays the other subjects mentioned on the same pages as the subject "Riverdale Cemetery (Lewiston, N.Y.)". If the same subject occurs on a page with "Riverdale Cemetery (Lewiston, N.Y.)" more than once, it appears closer to "Riverdale Cemetery (Lewiston, N.Y.)" on the graph, and is colored in a darker shade. The closer a subject is to the center, the more "related" the subjects are.