Price theory

Revision	When	Who	Comment

13	February 14, 2020	MARC Bot	remove fake subjects
12	November 23, 2012	Anand Chitipothu	Reverted spam
11	November 22, 2012	188.190.125.73	Edited without comment.
10	January 26, 2012	EdwardBot	add books to in library lending
9	October 19, 2011	WorkBot	merge works
8	October 13, 2011	EdwardBot	remove duplicate authors
7	October 10, 2011	ImportBot	import new book
6	August 9, 2011	ImportBot	import new book
5	December 5, 2010	Open Library Bot	Added subjects from MARC records.
4	December 3, 2010	Open Library Bot	Added subjects from MARC records.
3	April 28, 2010	Open Library Bot	Linked existing covers to the work.
2	February 6, 2010	WorkBot	add more information to works
1	December 10, 2009	WorkBot	add works page