- Cavanilles, Antonio José, 1745-1804
- Cavanna, Guelfo, 1850-1920
- Cavannah, A.
- Cavarzere, Vagner
- Cavasini, Renato
- Cavassan, Osmar
- Cavassani, André Targa
- Cavazza, Filippo.
- Cavazzuti, Pierfranco
- Cave & Sever,
- Cave, Charles, 1833-1870
- Cave, Marion S., 1904-1995
- Cave, R. (Richard)
- Cave, Ronald D.
- Cave, Stephen, 1820-1880
- Cave, William, 1637-1713
- Cavelier, C
- Cavelier, Jaime
- Cavellat, Guillaume, 1576 or 1577
- Cavenaghi, T. M. C. M.
- Cavender, Gary L.
- Cavendish Society.
- Cavendish, Henry, 1731-1810
- Caverhill, P. Z.
- Caverno, Xenophon.
- Cavero, Bruno Adan Sagratzki
- Cavero, Elena
- Cavers, F. (Francis), 1876-1936
- Cavers, Paul B. 1938-
- Cavey, Joseph F.
- Cavicchioli, G
- Cavichioli, Rodney Ramiro
- Cavichiolo, Leticia Estela
- Caviedes-Vidal, Enrique
- Cavieres G., Lohengrin A.
- Cavill, George William Kenneth
- Cavillier, François Georges, 1868-1953.
- Cavin, Lionel
- Cavitt, John F
- Cavolini, Filippo, 1756-1810
- Cavuoto, Ben
- Cavus, Nejmettin
- Caw, J. Y.
- Cawley, Adam
- Cawley, B. M.
- Cawley, John.
- Cawly, John
- Cawston Ostrich Farm
- Cawston, Edwin
- Cawston, F. G. (Frederick Gordon)
- Cawthorn, J Michelle
- Cawthorn, Peter
- Cawthorne, George James.
- Caxambú, Marcelo Galeazzi
- Cayatopa, Victoria Rimarachín
- Cayer, Marilyn
- Caye-Vaugien, C
- Cayford, J.H.
- Cayla, M
- Cayla, V.
- Cayley, Arthur, 1821-1895
- Cayley, Dorothy M.
- Cayley, George John, 1826-1878
- Cayley, N W
- Cayley, Neville
- Cayley, Neville W. (Neville William), 1886-1950
- Cayley, R A
- Cayola, Leslie, 1976-
- Cayouette, Jacques, 1944-
- Cayouette, Raymond 1916-
- Cayrol, J C
- Cayuga Lake Nurseries.
- Cayuga Nurseries.
- Cayuqueo, Alejandr
- Cayzer, A.
- Cayzer, L. W. (Lindy Webster), 1952-
- Cazais-Ferreira, Gutemberg da Silva
- Cazal, Pierre
- Cazaly, W. H.
- Cazanove, Grégory
- Cazares, Efren.
- Cazassus, Hélène
- Cazau, María Cecilia
- Cazaubon, A
- Cazenave, J. J.
- Cazeres, Sylvie
- Cazetta, Eliana
- Caziani, Sandra M.
- Cazier, M
- Cazier, Mont A.
- Cazin, François-Joseph, 1788-1864
- Cazin, Henri.
- Cazin, Maurice
- Caziot, Eugène, 1844-1931
- Cazón, Ada V.
- Cazorla, Carla G.
- Cazotto, Lara Priscila Domingues
- Cazzani, Ceasar.
- Cazzaniga, Néstor J.
- Cazzoli y Goya, Samara
- C-b Shale Oil Project.
- CDM/Limnetics.
- Ceballos Jiménez, Andrés
- Ceballos y Fernández de Córdoba, Luis
- Ceballos, Gerardo
- Ceballos, Jester
- Ceballos, Jorge
- Ceballos, Leonor
- Ceballos, Lina
- Ceballos, Maximiliano
- Ceballos, Olga
- Ceballos-Corona, Gerardo
- Ceballos-Escalera Fernández, Angelina
- Ceballos-Fonseca, Claudia
- Ceballos-Lascurain, Hector
- Ceballos-Vázquez, Bertha P
- Ceballos-Vázquez, Bertha Patricia
- Cebolla Lozano, Consuelo
- Cebolla Ranger District (Colo.)
- Cebrian, Christian
- Cecalupo, Alberto
- Cecanho, Fernanda
- Ceccantini, Gregório
- Ceccarelli, Fadia Sara
- Ceccarelli, Paulo S.
- Ceccato, Diana
- Cecchetto, Matteo
- Cecchi, Gustavo A.
- Cecchi, María Claudia
- Cecchin, Sergio
- Cecchini, Clelia
- Ceceña-Duran, Carlos
- Cecere, Ester
- Cech, Franklin
- Cech, Thomas
- Cechet, J. L.
- Cechet, Michel Luiz
- Cechin, Sonia Zanini
- Cechinel, M. M.
- Cecil E. Houdyshel (Firm)
- Cecil, Evelyn, Mrs., 1865-1941
- Cecil, J. F.
- Cecil, K. P.
- Cecil, Mary Rothes Margaret baroness, 1857-1919
- Cecil, Thomas, active 1630-
- Cecile, Charles P.
- Cecilia, Marta
- Cecílio, Alzira Batista
- Cecílio, Arminda
- Cecon, Paulo Roberto
- Cedar Acres Inc.
- Cedar Cove Nurseries.
- Cedar Hill Nursery (Brookville, N.Y.)
- Cedar Hill Nursery (Glen Head, N.Y.)
- Cedar Hill Nursery (St. Louis Park, Minn.)
- Cedar Hill Nursery and Orchard Company.
- Cedar Hill Nursery Company.
- Cedar Home Nursery.
- Cedar Lake Iris Garden,
- Cedar Nursery Co. (Los Angeles, Calif.)
- Cedar, Karen
- Cedarbrook Nut Farm.
- Cedarbrook,
- Cedarhurst Nurseries.
- Cedeño-Figueroa, Luis G
- Cedeño-Posso, Cristina María
- Cedeño-Sanchez, Marjorie
- Cedeño-Vázquez, José
- Cederhielm, Johanne.
- Cedhagen, Tomas
- Cediel, Fabio
- Cedillo Leal, César
- Cédola, Claudia
- Cedraz Mercez, Pedro Leonardo
- Cedro, Victor Ribeiro
- Cedrola, Paula V
- Cei, José M. (José Miguel), 1918-
- Ceia, Ricardo
- Ceillier, Rémi.
- Ceja Romero, Jacqueline
- Cejas, Diego
- Ceja-Torres, Luis Fernando
- Cejudo Ruíz, Fredy Rubén
- Cejudo-Espinosa, Eduardo
- Cekalovic K., Tomas, 1928-2012
- Celakovský, Ladislav Josef, 1834-1902
- Celani, Enrico.
- Celarier, Robert P., 1921-1959
- Celary, Waldemar
- Celebrezze, Tom
- Celedón-Neghme, Constanza
- Celentano, Danielle
- Celep, Ferhat
- Célérier, Marie-Louise
- Celery City Nurseries.
- Celesti-Grapow, Laura
- Celestino, Elaine Fernandes
- Celin, E. F.
- Celi-Piedra, Elvis
- Celis Plá, Paula
- Celis Rincón, Argemiro
- Celis, Ángela
- Celis, Antonio
- Celis, Juan Sebastián
- Celis, Lourdes B.
- Celis, Marcela, 1972-
- Celis-Diez, Juan L.
- Celis-Murillo, Antonio
- Cella, Doralice Maria, 1954-2013
- Cellarius, Johann Jakob.
- Celli, Nathália G. R.
- Cellinese, Nicoletta
- Cellini, Juan M
- Cellon, George Beauregard, 1862-1945
- Celona, Antonio
- Celosia Gardens.
- Cels, Jacques-Martin, 1743-1806
- Celsius, Olof O. (Olof Olofsson), 1716-1794
- Celsus, Aulus Cornelius.
- Celty, Ellen V.
- Celussi, Mauro
- Cely, John Emmett
- Cembella, Allan D
- Cempírková, Hana
- Cena, Jenni
- Cen-Cen, Elmi Roseida
- Cenci Aguiar, Julio
- Cenci, M. A. (Marisete Aparecida)
- Cendoya, Gabriela
- Ceneviva-Bastos, Mônica
- Ceni, Gianfranco
- Ceniceros Gómez, Águeda Elena
- Cenizo, Marcos Martín
- Censky, Ellen J.
- Cent, Joanna
- Centaur Management Consultants.
- Centella, Cristian
- Centenero-Alcalá, Eric
- Centennial Exhibition (1876 : Philadelphia, Pa.)
- Centennial Exhibition (1876: Philadelphia, Pa.). Argentinische Central Comité.
- Centennial International Exhibition (1888-1889 : Melbourne, Vic.)
- Centeno, Danilo da Cruz
- Centeno, Fernanda da Cruz
- Centeno, Néstor D.
- Centeno-Betanzos, Lucía Yoscelina
- Center for Biodiversity and Conservation (American Museum of Natural History)
- Center for Coastal Monitoring and Assessment (U.S.)
- Center for Disease Control.
- Center for Disease Control. Bureau of Laboratories.
- Center for Health Promotion and Environmental Disease Prevention (Mass.)