William Holmes McGuffey -... en.wikipedia.org

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1-2-1640-25-ExplorePAHistor... explorepahistory.com

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The Project Gutenberg eBook... www.gutenberg.org

Remembering McGuffey |... miamioh.edu

Mcguffey's Third Eclectic... www.amazon.com

McGuffey Second Reader:... www.christianbook.com

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Foundations of our nation... www.wethekids.us