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LanguageEnglish1

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Age groupAges 9–121

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SubjectGeometry1

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Source collectionProject Gutenberg1

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Results for “Bernhard Marks”

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1 book

“Bernhard Marks”

Cover of Marks' first lessons in geometry

Marks' first lessons in geometryBernhard MarksEnglish

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Sinen is a non-profit based in Addis Ababa, Ethiopia. Sinen Foundation, a U.S. organization being established to support Sinen's work, has not yet received IRS tax-exempt recognition.

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