- C ... CAA
- caa gazu ... Cabiria
- cabiúna ... Caccini, Francesca
- Caccini, Giulio ... Cádiz, Constitution of
- Cádiz, Golfo de ... Caesar Marcus Opellius Severus Macrinus Augustus
- Caesar Must Die ... Cage, Nicolas
- Cage, The ... Cairinini
- cairn ... Calabrian expedition of 1844
- Calabrian Stage ... calciferol
- calcification ... Caldwell, Sarah
- Caldwell, Taylor ... California at Berkeley, University of
- California Baptist University ... caliper
- caliper ... Callias
- Callias ... calmecac
- Calmette, Albert ... Calvo Doctrine
- Calvo Serer, Rafael ... Cambisol
- cambium ... Camel Through the Needle’s Eye, The
- Camel Xiangzi ... Caminha, Adolfo
- Caminho de pedras ... Campanula
- Campanula americana ... Campeche de Baranda
- Campeche, Autonomous University of ... Campylorhamphus
- Campylorhynchus brunneicapillus ... Canadian Film Development Corporation
- Canadian Football Council ... Canaris, Wilhelm Franz
- Canarium ... Candi Pawon
- Candi Prambanan ... Caṇgadeva
- Cangas de Narcea ... Cannibals and Missionaries
- CanniMed ... Canossa
- Canotia holacantha ... cantilever retaining wall
- cantillation ... Canzoneri, Tony
- canzonet ... Cape emerald
- Cape Esperance, Battle of ... Capes, Battle of the
- Capet, Louis ... Capnodiales
- Capo d’Istria, Giovanni Antonio, Conte ... Caprimulginae
- Caprimulgus ... Captive, The
- Captorhinidae ... Caran
- Cāraṇ (Hindu caste ... carbon group element
- carbon microphone ... Carcharhinidae
- Carcharhinus ... Cardillac
- Cardin, Ben ... Carew of Clopton, Baron
- Carew, Richard ... Carinhall
- Carinthia ... Carlota
- Carlota Joaquina ... Carnarvon
- Carnarvon Castle ... Carnuntum
- Caro, Annibale ... Carpathian harebell
- Carpathian Mountains ... Carr, Edward Hallett
- Carr, Emily ... carrier wave
- carrier’s lien ... CART
- cart ... Carthusians
- Carthusians, Order of ... Caryocar nuciferum
- Caryocaraceae ... case
- CASE ... Cashtana
- Casilinum ... Cassell, Alphonsus
- Cassell, John ... Castalia
- Castamon ... Castile and León
- Castile Formation ... Castor
- Castor and Pollux ... Cat Ballou
- cat bear ... Catamarca
- Catamarca ... categorical syllogism
- categorical system ... Catherine of Sweden, Saint
- Catherine of Valois ... Catopithecus
- Catoprion ... caudofoveate
- Caughley ware ... cavalry
- Cavalry Officer ... Cayenne
- cayenne pepper ... CD
- CD ... Cech, Thomas Robert
- Čechy ... Celaeno
- Celaeno ... cell culture
- cell cycle ... Celtiberian language
- Celtiberian War ... Cent Nouvelles Nouvelles
- Cent vingt journées de Sodome, ou l’école du libertinage ... Central Bank of Ireland
- Central Bank of Kenya ... Central Order of Lenin Museum
- Central Organization of Trade Unions ... centralized economy
- centralized traffic control ... centuriae
- Centuriae Magdeburgenses ... Cepphus
- Cepphus carbo ... cercle
- Cercle Constitutionnel, Le ... Ceremony
- Ceremony and Other Poems ... Cerularius, Michael
- cerulenin ... cessio bonorum
- cession ... CFP
- CFPB ... Ch’in tomb
- Ch’in-Han school ... Chacao
- Chácara do Visconde ... Chafe, Wallace
- Chafee, Lincoln ... Chair, The
- Chairil Anwar ... chalice
- Chalicotherium ... Chamberlain’s Men
- Chamberlain, Alexander ... Champ, The
- Champ-de-Mars ... chance music
- Chance the Rapper ... Chandrasekhar limit
- Chandrasekhar, Subrahmanyan ... Change Is Gonna Come, A
- Change of Climate, A ... chanson de toile
- Chanson des gueux, La ... Chapayevsk
- chapbook ... character disorder
- character displacement ... charge conjugation
- charge conjugation symmetry ... Charles Emmanuel III
- Charles Emmanuel IV ... Charles the Victorious
- Charles the Well-Beloved ... Charlie’s Angels: Full Throttle
- Charlie-27 ... Charter for the Rights, Freedoms, and Privileges of the Noble Russian Gentry
- Charter Oath ... chaste tree
- Chastelain de Couci ... Chaturdandiprakashika
- Chatushataka ... Chayefsky, Sidney
- Chayka ... cheese skipper fly
- cheeseburger ... Chelsea
- Chelsea ... chemical signaling
- chemical symbol ... Chenal
- Chenango ... chequy
- Cher ... Cherry, Don
- Cherry, Neneh ... Chester
- Chester ... Cheyenne Social Club, The
- Cheyne, Sir William Watson, 1st Baronet ... Chiari, Pietro
- Chiari, Roberto F. ... Chicago soul
- Chicago Spire ... chicken-fried steak
- chickenpox ... chikan work
- chikankārī ... Childlike Life of the Black Tarantula, The
- children ... Chiliades
- chiliasm ... Chin dynasty
- Chin Hills ... Chinchow
- Chinchow ... Chinese magnolia
- Chinese Malay ... Ching-wei
- Chingachgook ... Chiquimula
- Chiquimula de la Sierra ... Chitaldrug
- chitalishte ... Chlorella
- chloride ... Chlotar III
- Chlotar IV ... chōka
- Chokalingam, Vera Mindy ... Chondrus
- Chondrus crispus ... choreology
- choreutics ... Chouans, Les
- choucroute garnie ... Christabel; Kubla Khan, A Vision; The Pains of Sleep
- Christadelphians ... Christian Social Party
- Christian Social Party ... Christmas Celebration
- Christmas Chronicles 2, The ... chrome yellow
- Chromebook ... Chronicles
- Chronicles from the Land of the Happiest People on Earth ... chrysoidine
- Chrysolakkos ... Chūbu
- Chubut ... Chung-ni
- Chung-shan ... Churches’ Participation in Development, Commission for the
- Churchill ... Chytridiales
- Chytridiomycetes ... CIE
- CIE ... Cimbri
- ciment fondu ... Čingo, Živko
- Cingulata ... Circle in the Square Theatre
- Circle K International ... Circus macrourus
- Circus Maximus ... Cisticola exilis
- Cisticola juncidis ... citric acid cycle
- citrine ... City of The Dalles
- City of the Dead ... Civil Action, A
- Civil Aeronautics Board ... Civitas Nova
- Civitas Petrocorium ... clamshell dredge
- clamshell snapper ... Clariidae
- Clarín ... Clarke, Alexander Ross
- Clarke, Allan ... Classic Mimbres phase
- Classic of Changes ... Clauderus, Gabriel
- Claudet, Antoine-François-Jean ... Clay, Henry
- Clay, Lucius D. ... cleft lip
- cleft palate ... Clemo, Reginald John
- Clemson Agricultural College ... Cleveland
- Cleveland ... cliftonite
- Cligès ... clinker construction
- Clinker, Humphry ... Clodius Albinus
- Clodius Pulcher, Publius ... closed-source system
- closed-system framework ... cloudberry
- cloudburst ... Clupeidae
- clupeiform ... CN IV
- CN Tower ... coal processing
- Coal Question, The ... Coats, Dan
- Coats, Daniel Ray ... Coburn, Charles
- Coburn, Charles Douville ... cocida
- cock ... coconscious
- Coconuco ... Codex Laudianus
- Codex Lindisfarnensis ... coelurosaur
- Coelurosauria ... cogito, ergo sum
- cognac ... cohort analysis
- cohort study ... Colbath, Jeremiah Jones
- Colbeck, Cape ... Cole, Fay-Cooper
- Cole, George Douglas Howard ... Colima
- Colima, University of ... collective model
- collective obsession ... Colline Gate, Battle of the
- Colline inspirée, La ... Colluthus of Lycopolis
- colluvium ... Colonel’s Daughter, The
- Colonel’s Dream, The ... Colorado River squawfish
- Colorado River toad ... coloured hearing
- coloured noise ... Columbian Exposition
- Columbian Museum ... comb-footed spider
- Combahee River ... comedia de capa y espada
- comedia de figurón ... Coming 2 America
- Coming Home ... commensalism
- commensality ... Commitment for Change
- commitment, warrant of ... common currant
- common custard apple ... common lespedeza
- Common Life, Brethren of the ... common rhea
- common rhododendron ... Commoner, Barry
- Commoners’ Rebellion ... Communist bloc
- Communist Information Bureau ... Comodoro Rivadavia
- Comoé National Park ... comparative linguistics
- comparative method ... complement-fixation test
- complementarity principle ... composition, fallacy of
- composition, musical ... Compton, Arthur Holly
- Compton, Frank E. ... Computing-Tabulating-Recording Company
- computus ... Concepción del Uruguay
- Concepción Volcano ... Conchos, Río
- Conchostraca ... Condell, Henry
- condemnation ... conduction velocity
- conduction, electrical ... Conférence Générale des Poids et Mesures
- Conference House ... Confoederatio cum Principibus Ecclesiasticis
- conformal mapping ... Congo, history of Democratic Republic of the
- Congo, history of Republic of the ... conifer sawfly
- Coniferophyta ... Connelly, Marc
- Connelly, Marcus Cook ... Conrad II
- Conrad III ... conservation, art
- Conservationist, The ... Constab Ballads
- constable ... Constantinople
- Constantinople Agreement ... Constitutional History of England in its Origin and Development, The
- Constitutional Information, Society for ... Consumer Product Safety Commission
- consumer protection ... contenance angloise
- Contender, The ... contingency
- contingency right ... contra
- Contra academicos ... contributory negligence
- Control ... Conventional Lies of Our Civilization, The
- conventional moral reasoning ... Conway
- Conway ... Cookstown
- Cookstown ... Cooper, D. B.
- Cooper, Dame Gladys ... Cop, Nicolas
- Cop-Out ... Copperfield, David
- Copperfield, David ... Coracina
- coracle ... Corcyra
- Corcyra Melaina ... core-collapse supernova
- Corea, Armando Anthony ... Corliss steam engine
- Corliss, George Henry ... Corner, George Washington
- Corner, Palazzo ... Corona
- Corona ... corporal punishment
- corporal works of mercy ... correct effort
- correct intention ... Corse, Le
- corset ... Corunna
- Corus Group ... Corzine, Jon
- Cos ... Cosmopolitanism and the National State
- Cosmopsarus regius ... costumbrismo
- costumbristas ... Cotton Bowl
- Cotton Club ... Coulomb damping
- Coulomb force ... counterfort retaining wall
- counterglow ... couple dance
- Couple, Le ... court card
- court cupboard ... Cousine Bette, La
- Cousineau, Georges ... covetousness
- covey ... Cox, Geoffrey
- Cox, Jacob Dolson ... CPSC
- CPSU ... Craig’s Wife
- Craig, Daniel ... crank throw
- crankcase ... Crawford, Adair
- Crawford, Broderick ... Create Dangerously: The Immigrant Artist at Work
- created-error check ... Creeley, Robert
- Creeley, Robert White ... Crepicephalus
- Crepidula ... cretonne
- cretons ... Crimean Astrophysical Observatory
- Crimean Autonomous S.S.R. ... crisis management
- Crisis Management Initiative ... critical race theory
- critical realism ... Crocker, Thomas
- crocket ... Cronache di poveri amanti
- Cronartium ... Cross in the Mountains, The
- Cross of Broughton-in-Furness, Richard Assheton Cross, 1st Viscount ... Crossing Brooklyn Ferry
- Crossing Guard, The ... Crow’s Nest Pass Agreement
- Crow, Sheryl ... crozer
- Crozet Islands ... Crusader states
- Crusaders ... Cryosophila
- Cryosophila albida ... Crystal Express
- crystal face ... Csonka, Lawrence Richard
- Csontváry ... Cuauhtémoc
- Cuauhtlatoatzin ... Cucujoidea
- Cuculidae ... Cúirt an Mheadhon Oidhche
- Cuisian Stage ... cultural determinism
- cultural diffusion ... Cumberland River
- Cumberland Road ... Cunliffe of Headley, Walter Cunliffe, 1st Baron
- Cunliffe, Walter Cunliffe, 1st Baron ... cuprum
- cups and balls trick ... curling
- Curll, Edmund ... curtal sonnet
- curtall ... Cushitic languages
- Cushman Bros. & Co. ... cutoff
- cutoff saw ... cyano compound
- cyanoacrylate ... cycle, biogeochemical
- Cycles of Time: An Extraordinary New View of the Universe ... cyclothymia
- cyclothymic disorder ... Cynewulf
- cynghanedd ... Cypselid family
- Cypseloides ... Cytomegalovirus
- cytomegalovirus ... Czyz, Lejzor