50 simple things you can do to save the Earth

Revision	When	Who	Comment

8	March 16, 2023	ImportBot	import existing book
7	May 6, 2021	AgentSapphire	Merge works
6	November 11, 2020	MARC Bot	import existing book
5	May 13, 2019	MARC Bot	import existing book
4	April 30, 2011	OCLC Bot	Added OCLC numbers.
3	July 31, 2010	IdentifierBot	added LibraryThing ID
2	April 16, 2010	bgimpertBot	Added goodreads ID.
1	April 1, 2008		Imported from Scriblio MARC record.