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The Sky Observer's Guide
Mayall/ Wyckoff
Unknown Binding (Golden, March 24, 1977)None
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The Sky Observer's Guide: A Handbook for Amateur Astronomers
R. Newton Mayall
Paperback (Demco Media, June 1, 1977)Advice for amateurs on the best ways of observing and recording sky sightings and events
U
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The Sky Observer's Guide: A Handbook for Amateur Astronomers
R. Newton Mayall;Margaret W. Mayall;Jerome Wyckoff
Paperback (Golden Books Pub Co (Adult), Aug. 16, 1872)None