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Richard A.Proctor

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Reference Free Fiction Classics Science

Kitoblar

Richard A.ProctorMyths and Marvels of Astronomy

Richard A.ProctorHalf-hours with the Telescope / Being a Popular Guide to the Use of the Telescope as a / Means of Amusement and Instruction

Richard A.ProctorHalf-Hours with the Stars / A Plain and Easy Guide to the Knowledge of the Constellations

Richard A.ProctorPleasant Ways in Science

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Richard A.Proctor