Compare Constellations

Information: The first column shows data points from Helton, Roy Addison, 1886- in red. The third column shows data points from Helton, Roy, 1886- in blue. Any data they share in common is displayed as purple boxes in the middle "Shared" column.

Name Entries

Helton, Roy Addison, 1886-

Shared

Helton, Roy, 1886-