Antiquities 273,305 Art 176,197 Agriculture 169,223 Architecture 166,019 African Americans 101,353 Armed Forces 96,936 Appropriations and expenditures 87,507 Art, Modern 63,768 American poetry 55,369 Artists 54,611 Accounting 50,518 American literature 47,528 Administration 45,097 Art collections 40,850 Architecture, Domestic 40,351 Aesthetics 39,973 Archives 39,555 Arabic language 39,219 Advertising 38,777 Artificial intelligence 38,675 American 34,866 Anthropology 34,176 Astronomy 33,776 Architecture, Modern 33,670 Arab-Israeli conflict 31,191 Attitudes 30,795 Archaeology 30,722 Analysis 30,530 Animals 29,726 Arabic poetry 29,196 Administrative agencies 28,694 Arts 28,495 Agriculture and state 27,914 Actors 27,556 Aspect social 27,551 Authorship 27,331 Appreciation 25,241 Arabic literature 25,111 Aeronautics 24,979 Administrative law 24,521 Arabic fiction 24,183 Architects 23,137 Anatomy 22,328 Authors, American 22,265 Automobiles 22,211 Anniversaries, etc 21,478 Air 21,116 AIDS (Disease) 20,992 Artists' books 20,657 Auditing 20,268 Antisemitism 20,068 Authors, French 19,856 Authors, German 19,805 Anecdotes 19,756 Atrocities 19,695 Airplanes 19,686 Administrative and political divisions 18,004 Automation 17,762 Antiquities, Roman 17,068 Application software 16,724 American fiction 16,532 American drama 16,475 Authors, English 16,190 Autonomy and independence movements 15,808 Art museums 15,704 Astrology 15,663 Authors 15,550 Art, Italian 15,052 Apologetics 14,728 Aging 14,663 Atlases 14,391 Authors, Russian 14,091 Alcoholism 13,906 Antitrust law 13,742 Accidents 13,711 Aspect religieux 13,528 Artificial Intelligence 13,477 Aims and objectives 13,321 Amusements 13,296 Aeronautics, Commercial 13,270 Assassination 13,186 Art, American 13,058 Aspect politique 12,833 Arithmetic 12,814 Aufsatzsammlung 12,798 Almanacs, English 12,665 Awards 12,472 Authors, Chinese 12,460 Agricultural laborers 12,112 African American authors 11,843 Alumni and alumnae 11,712 Algebra 11,627 Adult education 11,609 Abortion 11,465 Americans 11,137 Art, Chinese 11,034 Antislavery movements 10,970 Alcohol 10,959 Algorithms 10,732 Art and society 10,510