Isi bahasan : Chicago, Childhood diseases, Chile, China, Chinese literature, Chordates, Christianity, Chungking(chongqing), Churchill, Circulation and cilculatory systems, Circus, Cities, Climate and weather, Cnidarians, Coins and coinage, Collective behaviour, Cologne, Colombia, Biological coloration, Colour, Columbus, Communication, Computer crime,. Computer science, Computers, Confucius and confucianism, Conservation of species, Constantine the great, Constitution and constitutional government, Constitutional law, Continental landforms, Copernicus, The cosmos, Crime and punishment, Criminal law, The crusades, Crustaceans, Cryptology, The concept and components of culture, Cyprus, Czech and slovak republics, Damascus, The art of dance, The history of western dance, Dante, Darwin, Death.