Compare Constellations

Information: The first column shows data points from Harvard Theater Collection, Houghton Library, Harvard College Library, Harvard University in red. The third column shows data points from Harvard University, Harvard Theater Collection, Harvard College Library in blue. Any data they share in common is displayed as purple boxes in the middle "Shared" column.

Name Entries

Harvard Theater Collection, Houghton Library, Harvard College Library, Harvard University

Shared

Harvard University, Harvard Theater Collection, Harvard College Library