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 Date: 2012-07-20 10:31:20Pennsylvania California Allegheny Observatory Crossley telescope Orion Nebula Astronomical Society of the Pacific Nebula Harry Stephen Keeler Lick Observatory Astronomy James Edward Keeler |
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BIOGRAPHICAL MEMOIR JAMES EDWARD KEELER, | BIOGRAPHICAL MEMOIR JAMES EDWARD KEELER,DocID: 4czA - View Document |
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