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Adam Matthew Digital (Firm) 199,835
Adam Matthews Digital (Firm) 41,548
Ames Research Center 2,157
Adam Matthew Publications 1,987
American Council of Learned Societies 1,311
American Institutes for Research 1,212
Army War College (U.S.). Strategic Studies Institute 1,040
Argonne National Laboratory 990
ABC Television Network 899
Arts and Entertainment Network 882
Aristotle 705
Abt Associates 703
Academy of St. Martin-in-the-Fields 680
Asian Development Bank 663
ARTE France 602
Addison, Joseph, 1672-1719 601
Abbado, Claudio 593
Anchor Bay Entertainment, Inc 568
Albéniz, Isaac, 1860-1909 564
American Chemical Society. Meeting 539
Ashkenazy, Vladimir, 1937- 530
Association for Computing Machinery 509
Afrobarometer 501
Air and Energy Engineering Research Laboratory 490
American Institute of Physics 489
American Psychological Association 482
American Society of Mechanical Engineers. Winter Annual Meeting 475
ABC International 468
Alberta Department of Education, Edmonton 462
American Mathematical Society 460
American Association of State Colleges and Universities 455
American Council on Education 455
American Association for Higher Education 454
American Library Association 454
Air University (U.S.). Press 442
ABC News Productions 437
American National Standards Institute 432
American Society of Mechanical Engineers 424
Allestree, Richard, 1619-1681 415
American Association of Colleges for Teacher Education 408
American Association of School Administrators 390
Alberta Dept. of Education, Edmonton 389
Academy for Educational Development 387
Abbott, Jacob, 1803-1879 386
Appalachia Educational Lab., Charleston, WV 385
Anderson, Alexander, 1775-1870 379
American Association of State Highway and Transportation Officials 375
Art Institute of Chicago 373
Annenberg Learner (Firm) 371
A & E Home Video (Firm) 368
Adam Matthew Education (Firm) 363
Austin Independent School District, TX. Office of Research and Evaluation 359
American Chemical Society 352
American Civil Liberties Union 349
American Law Institute 349
Anon 349
Argentina 346
American Society of Mechanical Engineers. Pressure Vessels and Piping Division 341
Augustine, of Hippo, Saint, 354-430 339
Appalachian State Univ., Boone, NC 338
Aesop 334
American Society of Civil Engineers 334
American Enterprise Institute for Public Policy Research 330
Asimov, Isaac, 1920-1992 327
Air Force Human Resources Laboratory 321
American Tract Society 319
Albinoni, Tomaso, 1671-1750 317
Amnesty International 316
Adams, John, 1735-1826 314
Artisan Home Entertainment (Firm) 309
American Antiquarian Society 308
American Historical Association 308
American Society of Mechanical Engineers. Heat Transfer Division 308
Arnold, Malcolm 307
Association of Research Libraries 303
American University (Washington, D.C.). Foreign Area Studies 300
American College Testing Program 298
Association for Supervision and Curriculum Development, Alexandria, VA 297
Andersen, H. C. (Hans Christian), 1805-1875 294
Alger, Horatio, Jr., 1832-1899 287
American Medical Association 286
Adams, John Quincy, 1767-1848 284
American Educational Research Association 280
Automobile Club of Michigan 280
American Management Association 273
American Anti-Slavery Society 271
American Bar Association 270
Association for Supervision and Curriculum Development 263
Association for the Study of Higher Education 258
A&E Networks (Firm) 255
Aikin, John, 1747-1822 252
Association of Research Libraries. Office of Management Studies 249
Armstrong Laboratory (U.S.) 248
American Institute of Aeronautics and Astronautics 247
Army War College (U.S.). Press 247
Arizona. State Department of Education 246
Association of Governing Boards of Universities and Colleges 243
Argerich, Martha, 1941- 242
American Association for the Advancement of Science 240
American Automobile Association 240