Minder, Thomas, 1925- Minder, Thomas, 1925- The Regional Library Center in the mid 1970's; a concept paper. - [Pittsburgh] University of Pittsburgh, Graduate School of Library and Information Sciences, 1968. - Pittsburgh studies in library and information sciences ; 1 . ISBN: 2.00 LCCN: 68059152 Subjects--Corporate Names: Pittsburgh Regional Library Center. LC Class. No.: Z674.5.P5 / M5 Dewey Class. No.: 021.6/4