The Sign of the Four

Revision	When	Who	Comment

23	March 6, 2023	AgentSapphire	move to correct work
22	March 5, 2023	Lisa	merge authors
21	January 17, 2023	ImportBot	import existing book
20	November 27, 2022	mheimanbot	Fixed author redirect
19	November 18, 2020	MARC Bot	import existing book
18	May 19, 2020	Lisa	Edited without comment.
17	January 12, 2020	Lisa	added details from linked copy
16	January 12, 2020	Lisa	Added new cover
15	January 12, 2020	Lisa	Moved edition to primary work.
14	January 12, 2020	Lisa	Update covers
13	September 14, 2018	Lisa	Added new cover
12	September 14, 2018	Lisa	Update covers
11	May 3, 2012	ImportBot	import new book
10	February 14, 2012	ImportBot	import new book
9	November 22, 2011	WorkBot	merge works
8	March 29, 2011	WorkBot	merge works
7	August 6, 2010	WorkBot	merge works
6	July 31, 2010	IdentifierBot	added LibraryThing ID
5	July 6, 2010	George	merge authors
4	April 16, 2010	bgimpertBot	Added goodreads ID.