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Books by Orr, M. A. (Mary Acworth) (sorted by popularity)
Free eBooks since 1971.
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https://en.wikipedia.org/wiki/Mary_Acworth_Evershed
See also: en.wikipedia
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https://sendtokindle.compellingsciencefiction.com/ebooks/64489.opds
Dante and the early astronomers
M. A. Orr
2024-11-06T04:30:47Z
https://sendtokindle.compellingsciencefiction.com/ebooks/71999.opds
Stars of the southern skies
M. A. Orr