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Last edited by MARC Bot
September 14, 2020
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History of edits to

The history and work of Harvard observatory, 1839 to 1927

Revision When Who Comment Diff
4 September 14, 2020
MARC Bot
 import existing book    
3 August 13, 2020
MARC Bot
 remove fake subjects    
2 May 5, 2010
EdwardBot
 add Accessible book tag    
1 December 10, 2009
WorkBot
 add works page