http://www.gutenberg.org/ebooks/author/40177.opds
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Books by Halsted, George Bruce (sorted by popularity)
Free eBooks since 1971.
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https://en.wikipedia.org/wiki/G._B._Halsted
See also: en.wikipedia
2024-11-08T15:41:15Z
https://sendtokindle.compellingsciencefiction.com/ebooks/39713.opds
The Foundations of Science: Science and Hypothesis, The Value of Science, Science and Method
Henri Poincaré