Compare Constellations

Information: The first column shows data points from Porter, Joseph, fl. 1855. in red. The third column shows data points from Porter, Joseph, fl. 1851-1852. in blue. Any data they share in common is displayed as purple boxes in the middle "Shared" column.

Name Entries

Porter, Joseph, fl. 1855.

Shared

Porter, Joseph, fl. 1851-1852.