The Star-Spangled Bannergermans MP3 Arxiu d'audio de l'himne Modèl:Himnes nacionals Modèl:Autoritat «Library of Congress : Defence of Fort M'Henry». [Consulta: 26 maig 2014]
Spotnik 1Ocean, A History of Project Mercury, Washington D.C.. National Aeronautics and Space Administration, 1966, p. 71. Library of Congress Card No. 66-62424
Hernando de Soto Richard Hakluyt, A Narrative of the the Expedition of Hernando de Soto into Florida by a Gentleman of Elvas, The Library of Congress , 1609. (en) David Ewing
Ursula K. Le GuinDead at 88». The New York Times, 23-01-2018. «Ursula K. Le Guin a Library of Congress ». [Consulta: 18 maig 2013]. «The Pulitzer Prizes». [Consulta: 18
R Carlos Nakai20 March 2013. 6.- Nakai, R Carlos. "R Carlos Nakai, All Items". Library of Congress . Retrieved 20 March 2013. 7.- Clint Goss (2011). "Nakai Tablature