Cabinet officers 1,248 Calculus 1,188 Cancer 1,610 Capitalism 916 Capital Punishment 721 Care and hygiene 531 Caricatures and cartoons 3,165 Carpio, Sara Duterte 513 Cases 688 Case studies 2,353 Catholic Church 1,095 Cebuano language 1,163 Cellular telephones 560 Chemistry 2,474 Chemistry, Organic 892 Child development 1,318 Child psychology 757 Child rearing 580 Children 3,894 Children's literature 483 Children with disabilities 472 Child study 489 Child welfare 459 China 2,028 Chinese 668 Christianity 1,219 Church history 475 Cities and towns 2,630 Citizen participation 1,026 Citizenship 499 City planning 1,913 Civic leaders 669 Civilization 4,054 Civil rights 992 Civil service 904 Classification 882 Climatic changes 1,114 Clothing and dress 506 Coconut industry 553 Cognition 471 Collections 1,969 Collective bargaining 482 College readers 1,056 College students 543 Colonies 676 Comic books, strips, etc 480 Commerce 2,198 Commercial law 508 Commercial policy 1,397 Communication 2,425 Communication in management 626 Communism 1,455 Community development 1,532 Comparative government 693 Competition 714 Competitions 663 Composition and exercises 907 Computer-assisted instruction 697 Computer graphics 635 Computer networks 1,178 Computer programs 893 Computers 1,356 Computer science 805 Computer security 472 Computer simulation 629 Computer software 580 Conduct of life 779 Conflict management 518 Congresses 7,007 Conservation and restoration 634 Conservation of natural resources 465 Constitutional law 1,119 Construction industry 473 Consumption (Economics) 581 Control 485 Corona, Renato C. 866 Coronavirus diseases 4,556 Coronavirus diseases statistics 598 Corporations 2,258 Corrupt practices 564 Corrupt practices 4,414 Cost effectiveness 540 Costs 644 Counseling 780 COVID-19 2,228 COVID-19 pandemic 2,494 COVID-19 vaccination 721 COVID-19 vaccines 1,700 Credit 523 Crime and criminals 589 Crimes against 879 Criminal law 482 Critical thinking 480 Criticism 874 Criticism and interpretation 2,737 Cross-cultural studies 540 Culture 1,128 Currency question 507 Curricula 1,325 Curriculum planning 811