Interest groups on four continents.

"The ... result of a round-table conference held by the International Political Science Association at the University of Pittsburgh, September 9-13, 1957."

Resources in bilingual education : a preliminary guide to government agency programs of interest to minority language groups.

"This publication was issued by the National Clearinghouse for Bilingual Education pursuant to a contract awarded to InterAmerica Research Associates by the National Institute of Education in cooperation with the Office of Bilingual Education, Department of Health, Education and Welfare."