Regina Slezak, 76, former director of Newport (R.I.) Public Library, died December 11. Slezak had also served as children’s librarian at Ridgewood (N.J.) Public Library, coordinator of East Providence (R.I.) Public Library, and director of Fall River (Mass.) Public Library. In the 1970s, she taught library science at the Western Australian Institute of Technology in Perth and helped to develop Sydney’s public library system.