Compare Constellations

Information: The first column shows data points from Robertson, William Joseph, 1817-1898, in red. The third column shows data points from Robertson, William, fl. 1819. in blue. Any data they share in common is displayed as purple boxes in the middle "Shared" column.

Name Entries

Robertson, William Joseph, 1817-1898,

Shared

Robertson, William, fl. 1819.