Criticism and interpretation 134,024 Claims 118,839 Congresses 116,555 Christianity 84,964 Civilization 74,345 Church history 57,503 Criticism, interpretation, etc 55,327 Commerce 45,715 Children 38,940 Conduct of life 32,426 Christian life 31,169 Catholic Church 29,243 City planning 27,579 Chemistry 27,112 Civil rights 25,631 Catalogs 24,047 Clergy 23,967 Campaigns 21,863 Communism 21,521 Colonies 21,289 Computer science 19,255 Curricula 19,083 Constitutional law 18,168 Cities and towns 17,799 Cancer 17,743 Computer networks 17,441 Church and state 16,631 Computer programs 16,017 Case studies 15,740 Communication 15,671 Comic books, strips, etc 15,159 Corporations 14,855 Congrès 13,793 Cost 12,962 Commentaries 12,842 Constitutional history 12,262 Crime 12,142 COMPUTERS 12,045 Climatic changes 11,954 Commercial policy 11,703 Costs 11,584 Children's literature 11,452 Criticism 11,359 Control 11,227 Child 10,998 Criminal justice, Administration of 10,677 Critique et interprétation 10,568 Correspondence 10,335 Composers 10,315 Computer Science 10,078 Christianity and other religions 9,749 Computers 9,740 Child development 9,624 Concertos (Piano) 9,613 Computer security 9,487 Conservation and restoration 9,419 College students 9,365 Criminals 9,251 Culture 9,243 Capitalism 9,231 Computer software 9,125 Chinese language 8,896 Criticism, Textual 8,874 Children's stories 8,786 Computer simulation 8,785 Causes 8,758 Criminal law 8,704 Crimes against 8,623 Corrupt practices 8,394 Classification 8,324 Computer graphics 8,279 Controversial literature 8,254 Christian ethics 8,234 Courts 8,233 Coal 8,089 Chinese literature 8,065 Community development 8,051 Computer-assisted instruction 8,035 Coal mines and mining 8,022 Conditions sociales 7,929 Commercial law 7,927 Civil service 7,925 Composition and exercises 7,853 Cats 7,850 Care 7,648 Counseling 7,454 Currency question 7,299 Conservation of natural resources 7,235 Children with disabilities 7,160 Cartography 7,055 Christmas music 7,028 Compact discs 6,921 Child welfare 6,917 Charities 6,791 City and town life 6,711 Copyright 6,678 Citizenship 6,563 Conditions économiques 6,557 Catholic authors 6,522 Cooking 6,520