United States. Department of Agriculture. Office of the Secretary 4,360 National Center for Education Statistics 3,393 United States. War Department 3,301 United States. Office of Education 2,773 Educational Testing Service 2,344 United States. Army. Air Corps 2,095 National Center for Research in Vocational Education (U.S.) 2,064 United States. Bureau of the Census 1,638 Organisation for Economic Co-operation and Development 1,607 American Institutes for Research 1,484 United States. Navy Department. Bureau of Navigation 1,461 United States. Army. Quartermaster Corps 1,433 United States. Navy Department 1,387 ERIC Clearinghouse on Urban Education 1,366 United States. Department of State 1,363 Colorado. Department of Education 1,183 Education Commission of the States 1,144 United States. Bureau of Mines 1,140 National Centre for Vocational Education Research (Australia) 1,059 United States. Postmaster General 992 National Council of Teachers of English 988 United States. Department of Education 977 United States. Bureau of Education 973 Northwest Regional Educational Laboratory 949 College Entrance Examination Board 937 National Education Association of the United States 924 Society for Research on Educational Effectiveness 894 Far West Laboratory for Educational Research and Development 847 Dade County Public Schools 821 United States. General Accounting Office 818 ERIC Clearinghouse on Educational Management 784 Rand Corporation 779 ACT, Inc 772 United States. Congress. House. Committee on Education and Labor 759 Commission of the European Communities 758 Mathematics Education Research Group of Australasia 758 Unesco 755 ERIC Clearinghouse on Adult, Career, and Vocational Education 750 National Assessment of Educational Progress (Project) 717 International Reading Association 714 United States. Army 690 University of the State of New York 684 California Postsecondary Education Commission 682 United States. General Land Office 680 University of Illinois at Urbana-Champaign. Center for the Study of Reading 678 Southern Regional Education Board 670 ERIC Clearinghouse on Higher Education 638 United States. Patent Office 634 Wisconsin Univ., Madison. Research and Development Center for Cognitive Learning 628 Bolt, Beranek, and Newman 627 University of California, Los Angeles. Center for the Study of Evaluation 626 ERIC Clearinghouse for Community Colleges 610 Ohio State University. Center for Vocational and Technical Education 597 California. State Department of Education 596 Urban Institute 594 European Centre for the Development of Vocational Training 591 ERIC Clearinghouse for Science, Mathematics, and Environmental Education 589 United States. Interstate Commerce Commission 582 Center for Applied Linguistics 580 Research for Better Schools, inc 580 Philippines. Bureau of Customs 570 United States. Navy Department. Bureau of Aeronautics 563 Southwest Educational Development Laboratory 551 Wisconsin. Department of Public Instruction 551 ERIC Clearinghouse on Counseling and Student Services 540 ERIC Clearinghouse on Information and Technology 532 ERIC Clearinghouse on Rural Education and Small Schools 531 Texas Education Agency 528 Smithsonian Institution. Office of the Secretary 524 Ediger, Marlow 511 United States. Army. Ordnance Department 506 Council of Chief State School Officers 502 ERIC Clearinghouse on Reading, English, and Communication 497 National Association of Secondary School Principals (U.S.) 492 University of California, Los Angeles. Center for Research on Evaluation, Standards, and Student Testing 484 Alberta. Alberta Education 477 University of Pittsburgh. Learning Research and Development Center 476 National Center for Education Evaluation and Regional Assistance (U.S.) 474 United States. Militia Bureau 473 United States. Bureau of Animal Industry 468 Abt Associates 467 Southwest Regional Laboratory for Educational Research and Development 467 Council for Exceptional Children 466 Westat, Inc 466 ERIC Clearinghouse for Social Studies/Social Science Education 458 U.S. Training and Employment Service 457 World Bank 457 What Works Clearinghouse (Institute of Education Sciences) 456 California Community Colleges. Office of the Chancellor 455 University of Texas at Austin. Research and Development Center for Teacher Education 455 ERIC Clearinghouse on Teaching and Teacher Education 453 United States. Adjutant-General's Office 451 United States. Forest Service 450 Western Interstate Commission for Higher Education 443 ERIC Clearinghouse on Reading and Communication Skills 440 Academy for Educational Development 436 Library of Congress 435 United States. Navy Department. Bureau of Equipment 435 Center on Education Policy (Washington, D.C.) 426 American Association of State Colleges and Universities 419