Sixty-Ninth Annual Report of the Director of the Astronomical Observatory of Harvard College: For the Year Ending September 30, 1914 (Classic Reprint)

by Edward Charles Pickering

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  • ISBN10 1334033439
  • ISBN13 9781334033438
  • Publish Date 24 August 2018
  • Publish Status Active
  • Publish Country GB
  • Imprint Forgotten Books
  • Format Paperback
  • Pages 16
  • Language English