Compare Constellations

Information: The first column shows data points from Van Valkenburgh, R. B. (Robert Bruce), 1821-1888 in red. The third column shows data points from Van Valkenburgh, Henry B. in blue. Any data they share in common is displayed as purple boxes in the middle "Shared" column.

Name Entries

Van Valkenburgh, R. B. (Robert Bruce), 1821-1888

Shared

Van Valkenburgh, Henry B.