Compare Constellations

Information: The first column shows data points from Herdman, Robert. in red. The third column shows data points from Herdman, Robert Duddingstone, 1863-1922. in blue. Any data they share in common is displayed as purple boxes in the middle "Shared" column.

Name Entries

Herdman, Robert.

Shared

Herdman, Robert Duddingstone, 1863-1922.