Compare Constellations

Information: The first column shows data points from Helland-Hansen, Bjørn, 1877-1957 in red. The third column shows data points from Helland-Hansen, Björn, 1877- in blue. Any data they share in common is displayed as purple boxes in the middle "Shared" column.

Name Entries

Helland-Hansen, Bjørn, 1877-1957

Shared

Helland-Hansen, Björn, 1877-