Gradus

Revision	When	Who	Comment

12	August 27, 2020	ImportBot	import existing book
11	February 13, 2020	MARC Bot	remove fake subjects
10	April 16, 2017	Mek	adding subjects: Textbooks, Music textbooks, Music_theory textbooks
9	November 28, 2012	AnandBot	Fixed spam edits.
8	November 23, 2012	92.63.107.192	Edited without comment.
7	February 9, 2011	EdwardBot	add lending subjects
6	January 21, 2011	ImportBot	add subjects from new record
5	December 4, 2010	Open Library Bot	Added subjects from MARC records.
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	April 28, 2010	Open Library Bot	Linked existing covers to the work.
1	December 10, 2009	WorkBot	add works page