The double helix

Revision	When	Who	Comment

17	March 17, 2024	ImportBot	import existing book
16	December 13, 2023	MARC Bot	import existing book
15	September 12, 2020	ImportBot	import existing book
14	August 27, 2020	ImportBot	import existing book
13	August 27, 2020	ImportBot	import existing book
12	February 14, 2020	MARC Bot	remove fake subjects
11	September 5, 2019	JeffKaplan	Reverted Spam
10	September 4, 2019	Ted Lienhart	Edited without comment.
9	October 4, 2017	MARC Bot	adding to Long Now Manual for Civilization
8	July 21, 2017	Mek	adding subject: In library
7	October 16, 2014	Bryan Tyson	Edited without comment.
6	August 29, 2013	Ludovicus	merge authors
5	November 23, 2012	Anand Chitipothu	Reverted spam
4	November 22, 2012	188.190.126.71	Edited without comment.
3	April 28, 2010	Open Library Bot	Linked existing covers to the work.
2	February 3, 2010	WorkBot	add more information to works
1	December 9, 2009	WorkBot	add works page