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Last edited by ImportBot
January 17, 2020
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History of edits to

Charles Babbage and His Calculating Engines

Revision When Who Comment Diff
4 January 17, 2020
ImportBot
 import existing book    
3 December 4, 2010
Open Library Bot
 Added subjects from MARC records.    
2 April 28, 2010
Open Library Bot
 Linked existing covers to the work.    
1 December 10, 2009
WorkBot
 add works page