National Endowment for the Humanities.

U.S. Dept. of Education, Office of Educational Research and Improvement : For sale by the Supt. of Docs., U.S. G.P.O.,

U.S. Dept. of Education, Office of Educational Research and Improvement : For sale by the Supt. of Docs., U.S. G.P.O.,

ERIC Clearinghouse on Adult, Career, and Vocational Education, Center on Education and Training for Employment, College of Education, the Ohio State University,

NEKIA Communications : U.S. Dept. of Education, Office of Educational Research and Improvement, Educational Resources Information Center,

The Endowment,

The Endowment,

ERIC Clearinghouse on Adult, Career, and Vocational Education, Center on Education and Training for Employment, College of Education, the Ohio State University,

U.S. Dept. of Education, Student Financial Assistance Programs,

Clearinghouse on Rural Education and Small Schools, Appalchia Educational Laboratory,

Clearinghouse on Rural Education and Small Schools, Appalachia Educational Laboratory,

Pacific Resources for Education and Learning ; U.S. Dept. of Education, Office of Educational Research and Improvement, Educational Resources Information Center,