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Last edited by MARC Bot
October 5, 2020
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History of edits to

The abacus: a pocket computer

Revision When Who Comment Diff
6 October 5, 2020
MARC Bot
 import existing book    
5 February 14, 2020
MARC Bot
 remove fake subjects    
4 April 16, 2011
BorrowBot
 Adding to In library    
3 January 17, 2011
ImportBot
 add subjects from new record    
2 December 5, 2010
Open Library Bot
 Added subjects from MARC records.    
1 December 10, 2009
WorkBot
 add works page