The timetables of history

Revision	When	Who	Comment

13	March 17, 2024	ImportBot	import existing book
12	December 13, 2023	MARC Bot	import existing book
11	July 11, 2022	MARC Bot	import existing book
10	March 2, 2020	MARC Bot	remove fake subjects
9	October 4, 2017	MARC Bot	adding to Long Now Manual for Civilization
8	October 13, 2011	EdwardBot	remove duplicate authors
7	October 10, 2011	ImportBot	import new book
6	October 8, 2011	ImportBot	import new book
5	August 8, 2011	ImportBot	import new book
4	January 25, 2011	ImportBot	add subjects from new record
3	May 6, 2010	ImportBot	add scanned books from the Internet Archive
2	April 28, 2010	Open Library Bot	Linked existing covers to the work.
1	December 10, 2009	WorkBot	add works page