21st Century U.S. Air Power

Revision	When	Who	Comment

12	December 8, 2022	ImportBot	import existing book
11	August 10, 2021	ImportBot	import existing book
10	December 17, 2020	MARC Bot	import existing book
9	April 29, 2011	OCLC Bot	Added OCLC numbers.
8	April 24, 2010	Open Library Bot	Fixed duplicate goodreads IDs.
7	April 16, 2010	bgimpertBot	Added goodreads ID.
6	April 14, 2010	Open Library Bot	Linked existing covers to the edition.
5	December 15, 2009	WorkBot	link works
4	April 26, 2009	ImportBot	Found a matching record from Promise Item .
3	April 25, 2009	ImportBot	Found a matching record from Promise Item .
2	April 24, 2009	ImportBot	Found a matching record from Promise Item .
1	April 29, 2008		Imported from amazon.com record.