A short history of opera

Revision	When	Who	Comment

10	July 31, 2020	ImportBot	import existing book
9	February 14, 2020	MARC Bot	remove fake subjects
8	May 29, 2019	MARC Bot	associate 1 edition with work
7	July 22, 2017	Mek	adding subject: In library
6	November 28, 2012	AnandBot	Fixed spam edits.
5	November 23, 2012	188.120.244.18	Edited without comment.
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 7, 2010	WorkBot	add more information to works
1	December 10, 2009	WorkBot	add works page