00917nas 2200313 450 991070380960332120150810120717.0(CKB)5470000002435639(OCoLC)917166191(EXLCZ)99547000000243563920150810a198u9999 ua engur|||||||||||txtrdacontentcrdamediacrrdacarrierHow to investigate the copyright status of a workWashington, D.C. :Library of Congress, Copyright Office1 online resourceCircular ;22CopyrightUnited StatesCopyrightLibrary of Congress.Copyright Office,GPO engGPODOCUMENT9910703809603321How to investigate the copyright status of a work3091684UNINA