Ross, Frank Elmore, 1874-1960; Calvert, Mary Ross, 1884-1974

2 results.

Milky Way

Ross and Calvert Atlas 62:1 (2008-003)
Series VI: Yerkes Observatory

Milky Way

Ross and Calvert Atlas 81:15 (2008-003)
Series VI: Yerkes Observatory

2 results.