- Albert Einstein: Ether and the Theory of Relativity (1922, with Wilfrid Perrett)
- Albert Einstein: Geometry and Experience (1922, with Wilfrid Perrett)
Some or all works by this author are in the public domain in the United States because they were published before January 1, 1928.
This author died in 1957, so works by this author are in the public domain in countries and areas where the copyright term is the author's life plus 65 years or less. These works may be in the public domain in countries and areas with longer native copyright terms that apply the rule of the shorter term to foreign works.
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