The US Library of Congress does this for House/Senate bills as well.[1] It also seems like they're creating a new website for browsing the U.S. code with more

The US Library of Congress does this for House/Senate bills as well.[1] It also seems like they're creating a new website for browsing the U.S. code with more features for viewing amendments and source credits.[2] [1] http://thomas.loc.gov/cgi-bin/bdquery/D?d112:1:./list/bss/d112HR.lst:@@@S http://thomas.loc.gov/cgi-bin/bdquery/D?d112:1:./list/bss/d1... [2] http://uscodebeta.house.gov/browse.xhtml http://uscodebeta.house.gov/browse.xhtml