The Library of Congress has a special page for this info: http://www.loc.gov/rr/print/res/071_fsab.html http://www.loc.gov/rr/print/res/071_fsab.html "Most ph

The Library of Congress has a special page for this info: http://www.loc.gov/rr/print/res/071_fsab.html http://www.loc.gov/rr/print/res/071_fsab.html "Most photographs in this collection are considered to be in the public domain"