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Encyclopedia of ideas that changed the world: The greatest discoveries and inventions of human history by Robert R Ingpen
Encyclopedia of ideas that changed the world: The greatest discoveries and inventions of human history
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Robert R Ingpen

Encyclopedia of ideas that changed the world: The greatest discoveries and inventions of human history

Robert R Ingpen

223 pages • first pub 1991 (editions)

nonfiction history challenging informative medium-paced
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Encyclopedia of Events That Changed the World by Philip Wilkinson

Encyclopedia of Events That Changed the World

Philip Wilkinson

256 pages • first pub 1991 (editions)

nonfiction history challenging informative medium-paced