Compare Constellations

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

Name Entries

Porter, Joseph, fl. 1851-1852.

Shared

Porter, Joseph, fl. 1855.