Compare Constellations

Information: The first column shows data points from Johnston, R. M. (Robert Matteson), 1867-1920 in red. The third column shows data points from Johnston, Robert H., fl. 1865, in blue. Any data they share in common is displayed as purple boxes in the middle "Shared" column.

Name Entries

Johnston, R. M. (Robert Matteson), 1867-1920

Shared

Johnston, Robert H., fl. 1865,