%0 Generic %T Revision of Copyright Laws hearings before the United States Senate Committee on Patents, and House Committee on Patents, Sixtieth Congress, first session, on Mar. 26-28, 1908. %U https://ezaccess.libraries.psu.edu/login?url=http://congressional.proquest.com/congcomp/getdoc?HEARING-ID=HRG-1908-PTH-0001