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Last edited by CoverBot
May 18, 2020
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History of edits to

Prnciples of plane geometry

Revision When Who Comment Diff
3 May 18, 2020
CoverBot
 Added new cover    
2 August 16, 2010
WorkBot
 add editions to new work    
1 October 5, 2009
ImportBot
 Imported from Internet Archive item record.