Understanding social problems

Revision	When	Who	Comment

13	October 17, 2022	ImportBot	import existing book
12	August 1, 2020	ImportBot	import existing book
11	February 13, 2020	MARC Bot	remove fake subjects
10	November 13, 2019	LeadSongDog	Edited without comment.
9	July 31, 2019	MARC Bot	associate edition with work OL3234726W
8	April 2, 2019	MARC Bot	import existing book
7	September 4, 2018	LeadSongDog	Edited without comment.
6	July 22, 2017	Mek	adding subject: In library
5	August 12, 2011	ImportBot	import new book
4	May 6, 2010	ImportBot	add scanned books from the Internet Archive
3	April 28, 2010	Open Library Bot	Linked existing covers to the work.
2	February 13, 2010	WorkBot	add more information to works
1	December 10, 2009	WorkBot	add works page