"Research ... was supported by the Cooperative Research Program of the Office of Education, U.S. Department of Health, Education, and Welfare." Includes bibliographical references (p. 49-50).
Series:
Cooperative research project ; no. 727
OCLC:
(OCoLC)33347449
Locations:
UNUX074 -- University of Northern Iowa - Rod Library (Cedar Falls)
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.