City school institutes in Pennsylvania;
APA Citation
De Long, L. Ray. (1930). City school institutes in Pennsylvania. [Camp Hill, Pa.: Ell Ess Dee educational publishers.
MLA Citation
De Long, Leo Ray, 1894-. City School Institutes In Pennsylvania. [Camp Hill, Pa.: Ell Ess Dee educational publishers, 1930.
Warning: These citations may not always be complete (especially for serials).