The path of purification =

Revision	When	Who	Comment

7	July 6, 2019	MARC Bot	import existing book
6	July 29, 2014	ImportBot	import new book
5	July 29, 2014	ImportBot	import new book
4	April 6, 2014	ImportBot	Added IA ID.
3	August 18, 2010	IdentifierBot	added LibraryThing ID
2	October 16, 2009	WorkBot	add edition to work page
1	September 25, 2008	ImportBot	Imported from bcl_marc MARC record.