Home > Browse Subjects > Biefeld, Paul Alfred, 1867-1943
10 results.
Photograph Album 1:1 (2008-242)Series VI: Yerkes Observatory
Group photograph, 1919 2:1540b (2013-082)Series VI: Yerkes Observatory
Group photograph, 1919 7:1540a (2008-242)Series VI: Yerkes Observatory
Group photograph, 1919 7:1542 (2008-242)Series VI: Yerkes Observatory
Group photograph, 1919 7:24 (2008-242)Series VI: Yerkes Observatory
Group photograph, 1919 7:36 (2008-242)Series VI: Yerkes Observatory
