Challenges and renewals

Revision	When	Who	Comment

7	February 13, 2020	MARC Bot	remove fake subjects
6	November 17, 2018	MARC Bot	import existing book
5	February 8, 2011	EdwardBot	add lending subjects
4	December 3, 2010	Open Library Bot	Added subjects from MARC records.
3	May 5, 2010	ImportBot	add scanned books from the Internet Archive
2	January 21, 2010	WorkBot	add subjects and covers
1	December 9, 2009	WorkBot	add works page