17 u.s. code § 106 July 8, 2019 16 32 64 128 17 us code 106 17 us code 106a 17 us code 106 exclusive rights in copyrighted works 17 u.s.c. § 106 17 u.s.c. § 106(2) 17 u.s. code § 107 17 u.s. code § 102