Ylinen, Gerald A2022-07-262022-07-261960-07https://hdl.handle.net/11299/229600A Paper Presented to the Faculty of the Graduate School, University of Minnesota, A Requirement for the Degree Master of Arts (Plan B), by Gerald A. Ylinen, July 1960.en-USUniversity of Minnesota DuluthPlan Bs (project-based master's degrees)Master of ArtsMaster of Arts in Curriculum and InstructionDivision of Education and PsychologyScholarly Text or Essay