John R. Percy (Percy, John R.)

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  Astronomy Education: Current Developments, Future Coordination
  by John R. Percy
  Hardcover, Astronomical Society of the pacific, ISBN 1886733104 (1-886733-10-4)
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  The Study of Variable Stars Using Small Telescopes
  by John R. Percy
  Hardcover, Cambridge Univ Pr, ISBN 0521333008 (0-521-33300-8)
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  Teaching And Learning Astronomy: Effective Strategies for Educators Worldwide
  by John R. Percy, Jay Pasachoff
  Hardcover, Cambridge Univ Pr, ISBN 052184262X (0-521-84262-X)
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  The Teaching of Astronomy: Proceedings of the 105th Colloquium of the International Astronomical Union, Williamstown, Massachusetts, 26-30 July 1988
  by Jay M. Pasachoff, John R. Percy
  Hardcover, Cambridge Univ Pr, ISBN 0521353319 (0-521-35331-9)
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  The Teaching of Astronomy: Proceedings of the 105th Colloquium of the International Astronomical Union, Williamstown, Massachusetts, 26-30 July, 198
  by Jay M. Pasachoff, John R. Percy
  Softcover, Cambridge Univ Pr, ISBN 0521429668 (0-521-42966-8)
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  Understanding Variable Stars
  by John R. Percy
  Hardcover, Cambridge Univ Pr, ISBN 0521232538 (0-521-23253-8)
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  Variable Star Research: An International Perspective Proceedings of the 1st European Meeting of the American Association of Variable Star Observer
  by John R. Percy, Janet Akyuz Mattei, Christiaan Sterken
  Hardcover, Cambridge Univ Pr, ISBN 052140469X (0-521-40469-X)