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Lecture · 1923 · age 44

Fundamental ideas and problems of the theory of relativity


by Albert Einstein

Kept from www.gutenberg.org · 1 file · 186 KBCall number EIN LC1923.01

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www.gutenberg.org
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1 October 2026
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To checkEnglish text published by the Nobel Foundation in 1923; translator not named.Basis: translator unknown.
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0d2bd4209c9d7432afe8bb2b11e7aa4ac2fe22639ed30385b652f8787cd1130bsha256 of the file (64 characters). Any change to the file changes this code.
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Albert Einstein, Fundamental ideas and problems of the theory of relativity (1923). Long Keeping, call number EIN LC1923.01. https://longkeeping.com/albert-einstein/fundamental-ideas-and-problems-of-the-theory-of-relativity/
Unchanged since collected At the last check, on 2 October 2026, all 903 originals, this work's file among them, matched the fingerprints recorded when they were collected. Each copy is re-checked by hand once a year; there is no automatic alert yet.

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FileFormatSizeSourcesha256Label
gutenberg-pg69572-h.zipmain HTML zip 186 KB www.gutenberg.org 0d2bd4209c9d7432afe8bb2b11e7aa4ac2fe22639ed30385b652f8787cd1130b To checkEnglish text published by the Nobel Foundation in 1923; translator not named.Basis: translator unknown.Held in the archive: rights not yet established. Its source (another site)