id author title date pages extension mime words sentence flesch summary cache txt crl-14711 St. Clair, Gloriana Guest Editorial: Intellectual Property 1992-05-01 4 .pdf application/pdf 1568 82 52 The purpose of copyright laws is to encourage productivity by rewarding crea- tors for their labor and publishers for their commitment of capital. The idea of fair use only became a part of the law in the Copyright Act of 1976. cache/crl-14711.pdf txt/crl-14711.txt