Portfolio of United States census maps, 1950

Revision	When	Who	Comment

5	July 12, 2024	MARC Bot	import existing book
4	July 16, 2010	WorkBot	merge works
3	July 8, 2010	Edward Betts	merge authors
2	January 26, 2010	WorkBot	add more information to works
1	December 11, 2009	WorkBot	add works page