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Book of Arithmetic Problems of Johannes Whisler
Probably Johannes Whisler
Photo © 2000 John B…
Johannes Whisler
Book of Arithmetic Problems of Johannes Whisler
Probably Johannes Whisler
Photo © 2000 John B…
Book of Arithmetic Problems of Johannes Whisler Probably Johannes Whisler Photo © 2000 John Bigelow Taylor, New York

Johannes Whisler

(1795–1874)