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Group photograph, 1919 2:1540b (2013-082)Series VI: Yerkes Observatory
Group photograph, 1925 2:1818 (2013-082)Series VI: Yerkes Observatory
Guest Book 3:5 (2008-248)Series VI: Yerkes Observatory
Infrared group, 1977 2:32 (2013-082)Series VI: Yerkes Observatory
Skiing 13:1286a (2008-003)Series VI: Yerkes Observatory
Skiing 13:1286b (2008-003)Series VI: Yerkes Observatory
Sliding on Ice 2:15 (2013-082)Series VI: Yerkes Observatory
Swimming 7:25 (2008-242)Series VI: Yerkes Observatory
Swimming 7:26 (2008-242)Series VI: Yerkes Observatory
Swimming 7:27 (2008-242)Series VI: Yerkes Observatory
Swimming 7:28 (2008-242)Series VI: Yerkes Observatory
Swimming 7:29 (2008-242)Series VI: Yerkes Observatory