Astronomy

Revision	When	Who	Comment

7	February 14, 2020	MARC Bot	remove fake subjects
6	November 17, 2018	MARC Bot	import existing book
5	April 16, 2017	Mek	adding subjects: Textbooks, Science textbooks, Astronomy textbooks
4	February 8, 2011	EdwardBot	add lending subjects
3	May 4, 2010	ImportBot	add scanned books from the Internet Archive
2	January 30, 2010	WorkBot	add more information to works
1	December 7, 2009	WorkBot	new work