]> 2026-04-07T10:11:34+02:00 Copyright entries by year in the United States 14 2017-03-03T10:34:24Z 2457815.9405556 Copyright entries by year in the United States 1961 works registered in the United States 14 1961 works registered in the United States 1951 works registered in the United States 14 1951 works registered in the United States Catalog of Copyright Entries 0 Catalog of Copyright Entries Catalog of Copyright Entries 0 Catalog of Copyright Entries Subcategory of 110 Subcategory of