Author:Peter Henri Van Der Weyde
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Dutch-American industrial scientist and inventor
Works[edit]
- "Arithmetic," in The American Cyclopædia (1879)
References[edit]
- "Peter Henri Van Der Weyde papers". New York Public Library. Retrieved 11 December 2012.
Works by this author published before January 1, 1927 are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.