http://public.resource.org/Latest registrations in the United States Copyright Office Catalog of Registrations (1978-present). For bulk data to 1978, see http://bulk.resource.org/copyright/hids/ . There is also an up-to-the-minute feed of new records as they are added, go to http://rss.resource.org/ for this and our other feeds.public domainFri, 18 Jan 2008 05:02:07 GMTFri, 18 Jan 2008 05:02:07 GMThttp://www.rssboard.org/rss-specification5http://public.resource.org/seal.head.jpghttp://public.resource.org/http://rss.resource.org/copyright/bulk/hid_21876001-21886000.tgzArchive of copyright records from copyright.gov: hid_21876001-21886000.tgzhttp://rss.resource.org/copyright/bulk/hid_21876001-21886000.tgzFri, 18 Jan 2008 05:02:07 GMThttp://rss.resource.org/copyright/bulk/hid_21875001-21876000.tgzArchive of copyright records from copyright.gov: hid_21875001-21876000.tgzhttp://rss.resource.org/copyright/bulk/hid_21875001-21876000.tgzSun, 13 Jan 2008 05:01:19 GMThttp://rss.resource.org/copyright/bulk/hid_21869001-21875000.tgzArchive of copyright records from copyright.gov: hid_21869001-21875000.tgzhttp://rss.resource.org/copyright/bulk/hid_21869001-21875000.tgzFri, 11 Jan 2008 05:01:38 GMThttp://rss.resource.org/copyright/bulk/hid_21866001-21869000.tgzArchive of copyright records from copyright.gov: hid_21866001-21869000.tgzhttp://rss.resource.org/copyright/bulk/hid_21866001-21869000.tgzSun, 06 Jan 2008 05:01:50 GMThttp://rss.resource.org/copyright/bulk/hid_21861001-21866000.tgzArchive of copyright records from copyright.gov: hid_21861001-21866000.tgzhttp://rss.resource.org/copyright/bulk/hid_21861001-21866000.tgzSun, 30 Dec 2007 05:02:14 GMThttp://rss.resource.org/copyright/bulk/hid_21855001-21861000.tgzArchive of copyright records from copyright.gov: hid_21855001-21861000.tgzhttp://rss.resource.org/copyright/bulk/hid_21855001-21861000.tgzSat, 22 Dec 2007 05:01:50 GMThttp://rss.resource.org/copyright/bulk/hid_21854001-21855000.tgzArchive of copyright records from copyright.gov: hid_21854001-21855000.tgzhttp://rss.resource.org/copyright/bulk/hid_21854001-21855000.tgzMon, 17 Dec 2007 05:01:09 GMThttp://rss.resource.org/copyright/bulk/hid_21849001-21854000.tgzArchive of copyright records from copyright.gov: hid_21849001-21854000.tgzhttp://rss.resource.org/copyright/bulk/hid_21849001-21854000.tgzSat, 15 Dec 2007 05:01:31 GMThttp://rss.resource.org/copyright/bulk/hid_21843001-21849000.tgzArchive of copyright records from copyright.gov: hid_21843001-21849000.tgzhttp://rss.resource.org/copyright/bulk/hid_21843001-21849000.tgzSat, 08 Dec 2007 05:01:33 GMThttp://rss.resource.org/copyright/bulk/hid_21842001-21843000.tgzArchive of copyright records from copyright.gov: hid_21842001-21843000.tgzhttp://rss.resource.org/copyright/bulk/hid_21842001-21843000.tgzThu, 06 Dec 2007 05:01:08 GMThttp://rss.resource.org/copyright/bulk/hid_21835001-21842000.tgzArchive of copyright records from copyright.gov: hid_21835001-21842000.tgzhttp://rss.resource.org/copyright/bulk/hid_21835001-21842000.tgzSat, 01 Dec 2007 05:01:47 GMThttp://rss.resource.org/copyright/bulk/hid_21826001-21835000.tgzArchive of copyright records from copyright.gov: hid_21826001-21835000.tgzhttp://rss.resource.org/copyright/bulk/hid_21826001-21835000.tgzSat, 24 Nov 2007 05:01:39 GMThttp://rss.resource.org/copyright/bulk/hid_21825001-21826000.tgzArchive of copyright records from copyright.gov: hid_21825001-21826000.tgzhttp://rss.resource.org/copyright/bulk/hid_21825001-21826000.tgzThu, 22 Nov 2007 05:01:09 GMThttp://rss.resource.org/copyright/bulk/hid_21817001-21825000.tgzArchive of copyright records from copyright.gov: hid_21817001-21825000.tgzhttp://rss.resource.org/copyright/bulk/hid_21817001-21825000.tgzSun, 18 Nov 2007 05:03:00 GMThttp://rss.resource.org/copyright/bulk/hid_21809001-21817000.tgzArchive of copyright records from copyright.gov: hid_21809001-21817000.tgzhttp://rss.resource.org/copyright/bulk/hid_21809001-21817000.tgzMon, 12 Nov 2007 05:01:45 GMThttp://rss.resource.org/copyright/bulk/hid_21808001-21809000.tgzArchive of copyright records from copyright.gov: hid_21808001-21809000.tgzhttp://rss.resource.org/copyright/bulk/hid_21808001-21809000.tgzSat, 10 Nov 2007 05:01:11 GMThttp://rss.resource.org/copyright/bulk/hid_21800001-21808000.tgzArchive of copyright records from copyright.gov: hid_21800001-21808000.tgzhttp://rss.resource.org/copyright/bulk/hid_21800001-21808000.tgzSat, 03 Nov 2007 04:01:44 GMThttp://rss.resource.org/copyright/bulk/hid_21788001-21800000.tgzArchive of copyright records from copyright.gov: hid_21788001-21800000.tgzhttp://rss.resource.org/copyright/bulk/hid_21788001-21800000.tgzSun, 28 Oct 2007 04:05:00 GMThttp://rss.resource.org/copyright/bulk/hid_21786001-21788000.tgzArchive of copyright records from copyright.gov: hid_21786001-21788000.tgzhttp://rss.resource.org/copyright/bulk/hid_21786001-21788000.tgzThu, 25 Oct 2007 04:01:13 GMThttp://rss.resource.org/copyright/bulk/hid_21714000-21786000.tgzArchive of copyright records from copyright.gov: hid_21714000-21786000.tgzhttp://rss.resource.org/copyright/bulk/hid_21714000-21786000.tgzTue, 23 Oct 2007 05:08:24 GMThttp://rss.resource.org/copyright/bulk/hid_21633000-21713999.tgzArchive of copyright records from copyright.gov: hid_21633000-21713999.tgzhttp://rss.resource.org/copyright/bulk/hid_21633000-21713999.tgzMon, 22 Oct 2007 08:32:45 GMThttp://rss.resource.org/copyright/bulk/hid_21415275-21503999.tgzArchive of copyright records from copyright.gov: hid_21415275-21503999.tgzhttp://rss.resource.org/copyright/bulk/hid_21415275-21503999.tgzWed, 17 Oct 2007 07:12:50 GMThttp://rss.resource.org/copyright/bulk/hid_21544000-21632999.tgzArchive of copyright records from copyright.gov: hid_21544000-21632999.tgzhttp://rss.resource.org/copyright/bulk/hid_21544000-21632999.tgzMon, 22 Oct 2007 07:56:01 GMThttp://rss.resource.org/copyright/bulk/hid_21249743-21415274.tgzArchive of copyright records from copyright.gov: hid_21249743-21415274.tgzhttp://rss.resource.org/copyright/bulk/hid_21249743-21415274.tgzTue, 09 Oct 2007 08:10:50 GMThttp://rss.resource.org/copyright/bulk/hid_21064416-21249742.tgzArchive of copyright records from copyright.gov: hid_21064416-21249742.tgzhttp://rss.resource.org/copyright/bulk/hid_21064416-21249742.tgzFri, 05 Oct 2007 06:52:52 GMThttp://rss.resource.org/copyright/bulk/hid_21504000-21543999.tgzArchive of copyright records from copyright.gov: hid_21504000-21543999.tgzhttp://rss.resource.org/copyright/bulk/hid_21504000-21543999.tgzSat, 20 Oct 2007 03:18:35 GMT