Inventions : a visual encyclopedia /Publisher: New York, New York : DK, a division of Penguin Random House LLC.,
Date: 2018. This title can be found in 3 Iowa libraries.
Encyclopedia of American Indian contributions to the worldFormat: [electronic resource] /
Author: Keoke, Emory Dean.
Publisher: New York : Facts on File,
Date: 2008- This title can be found in 1 Iowa libraries.
Encyclopedia of American Indian contributions to the world : 15,000 years of inventions and innovations /Author: Keoke, Emory Dean.
Publisher: New York : Facts on File,
Date: c2002. This title can be found in 10 Iowa libraries.
Encyclopedia of ideas that changed the world : the greatest discoveries and inventions of human history /Author: Ingpen, Robert R.
Publisher: New York : Viking,
Date: 1993. This title can be found in 2 Iowa libraries.
Growing up with science : the illustrated encyclopedia of invention /Publisher: Westport, Conn. : H.S. Stuttman,
Date: c1990. This title can be found in 10 Iowa libraries.
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