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Last edited by MARC Bot
November 26, 2020
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History of edits to

The mainspring of human progress

Revision When Who Comment Diff
6 November 26, 2020
MARC Bot
 import existing book    
5 July 30, 2010
IdentifierBot
 added LibraryThing ID    
4 April 14, 2010
Open Library Bot
 Linked existing covers to the edition.    
3 April 12, 2010
bgimpertBot
 Added goodreads ID.    
2 December 11, 2009
WorkBot
 link works    
1 April 1, 2008 Imported from Scriblio MARC record.