How to calculate quickly

Revision	When	Who	Comment

6	February 13, 2020	MARC Bot	remove fake subjects
5	January 26, 2012	EdwardBot	add books to in library lending
4	August 11, 2011	ImportBot	import new book
3	December 3, 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