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4 results.
40-inch Refractor Telescope 2:1057 (2008-003)Series VI: Yerkes Observatory
40-inch Refractor Telescope 53:1057 (2008-003)Series VI: Yerkes Observatory
Ferris Wheel 5:1110 (2008-003)Series VI: Yerkes Observatory
World Congress on Mathematics, Astronomy, and Astrophysics 2:21 (2008-063)Series VI: Yerkes Observatory
