Books by Proctor, Richard A. (Richard Anthony) (sorted by popularity)
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Displaying results 1–8
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Myths and Marvels of Astronomy Richard A. Proctor 244 downloads
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Half-hours with the Telescope Richard A. Proctor 189 downloads
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Pleasant Ways in Science Richard A. Proctor 161 downloads
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Half-Hours with the Stars Richard A. Proctor 149 downloads
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Light Science for Leisure Hours Richard A. Proctor 146 downloads
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Flowers of the Sky Richard A. Proctor 136 downloads
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Rough Ways Made Smooth: A series of familiar essays on scientific subjects Richard A. Proctor 112 downloads
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Chance and Luck Richard A. Proctor 64 downloads
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Displaying results 1–8