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

National Middle School Association,

U.S. Dept. of Justice, Office of Justice Programs, Office of Juvenile Justice and Delinquency Prevention,

University of Kansas, Beach Center on Families and Disability ; U.S. Dept. of Education, Office of Educational Research and Improvement, Educational Resources Information Center,

U.S. Dept. of Agriculture,

U.S. Dept. of Justice, Office of Justice Programs, Office of Juvenile Justice and Delinquency Prevention,

U.S. Dept. of Commerce, Bureau of the Census : For sale by the Supt. of Docs., U.S. G.P.O.,

[The Administration,

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

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

U.S. Office of Personnel Management, Workforce Compensation and Performance Service,

U.S. Dept of Education, Office of Educational Research and Improvement, Smithsonian, Office of Education,