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Group photograph 28:1676 (2008-003)Series VI: Yerkes Observatory
Group photograph 28:1678 (2008-003)Series VI: Yerkes Observatory
Photograph Album 1:1 (2008-242)Series VI: Yerkes Observatory
Group 1Series I: Individuals and Groups
Camera 20:2383 (2008-003)Series VI: Yerkes Observatory
Camera 68:2466 (2008-003)Series VI: Yerkes Observatory
Spectrograph 98:2228 (2008-003)Series VI: Yerkes Observatory
Spectrometer 23:808 (2008-003)Series VI: Yerkes Observatory