Naive set theory.

Revision	When	Who	Comment

12	February 2, 2021	Drini	Merge works
11	September 28, 2020	MARC Bot	import existing book
10	May 21, 2020	CoverBot	Added new cover
9	July 30, 2014	ImportBot	import new book
8	April 5, 2014	ImportBot	Added IA ID.
7	February 22, 2012	John Thomas	merge authors
6	August 18, 2010	IdentifierBot	added LibraryThing ID
5	December 15, 2009	WorkBot	link works
4	June 20, 2009	EdwardBot	fix broken author (step 2)
3	June 20, 2009	EdwardBot	fix broken author (step 1)
2	June 7, 2009	ImportBot	Found a matching record from Library of Congress .
1	November 2, 2008	ImportBot	Imported from The Laurentian Library MARC record.