Survey of approved programs leading to certification of professional school personnel, 220 - 09 - 02 - LD1017 .C81 S9 1969, Volume: Archives LD1017 .C81 S9 1969. Clarion University Archives.
Survey of approved programs leading to certification of professional school personnel, 220 - 09 - 02 - LD1017 .C81 S9 1969, Volume: Archives LD1017 .C81 S9 1969. Clarion University Archives. http://as-clarion.klnpa.org/repositories/2/resources/283 Accessed December 24, 2025.