Earth horizon

Revision	When	Who	Comment

9	September 16, 2021	ImportBot	import existing book
8	February 13, 2020	MARC Bot	remove fake subjects
7	January 15, 2019	ImportBot	import existing book
6	November 5, 2011	WorkBot	merge works
5	December 4, 2010	Open Library Bot	Added subjects from MARC records.
4	October 13, 2010	George	merge authors
3	April 28, 2010	Open Library Bot	Linked existing covers to the work.
2	February 1, 2010	WorkBot	add more information to works
1	December 9, 2009	WorkBot	add works page