Compare Constellations

Information: The first column shows data points from Richardson, John M. (John Martin), 1938- in red. The third column shows data points from Richardson, John G. and Justin J. W. Powell in blue. Any data they share in common is displayed as purple boxes in the middle "Shared" column.

Name Entries

Richardson, John M. (John Martin), 1938-

Shared

Richardson, John G. and Justin J. W. Powell