Compare Constellations

Information: The first column shows data points from Heydler, John A., 1869-1956. in red. The third column shows data points from Heydler, John, 1869-1956. in blue. Any data they share in common is displayed as purple boxes in the middle "Shared" column.

Name Entries

Heydler, John A., 1869-1956.

Shared

Heydler, John, 1869-1956.