http://www.gutenberg.org/ebooks/author/6426.opds
2024-11-09T16:19:53Z
Books by Copernicus, Nicolaus (sorted by popularity)
Free eBooks since 1971.
Project Gutenberg
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https://en.wikipedia.org/wiki/Nicolaus_Copernicus
See also: en.wikipedia
2024-11-09T16:19:53Z
https://sendtokindle.compellingsciencefiction.com/ebooks/13182.opds
Prefaces and prologues to famous books : with introductions, notes and illustrations
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