Algebra and trigonometry

Revision	When	Who	Comment

13	November 15, 2020	MARC Bot	import existing book
12	August 18, 2020	ImportBot	import existing book
11	December 15, 2017	LeadSongDog	Edited without comment.
10	April 30, 2014	Anthony Black	merge authors
9	August 11, 2011	ImportBot	add ia_box_id to scanned books
8	April 30, 2011	OCLC Bot	Added OCLC numbers.
7	September 29, 2010	ImportBot	Added new cover
6	September 29, 2010	ImportBot	Found a matching record from Library of Congress .
5	July 31, 2010	IdentifierBot	added LibraryThing ID
4	April 16, 2010	bgimpertBot	Added goodreads ID.
3	April 13, 2010	Open Library Bot	Linked existing covers to the edition.
2	October 18, 2009	WorkBot	add edition to work page
1	April 1, 2008		Imported from Scriblio MARC record.