- Clowes, William, 1779-1847
- Clowez, P
- Clowez, Philippe
- Clozato, CL.
- Clozel, F J
- Club alpin allemand et autrichien.
- Club Avicole Du Barbu Nain.
- Club of Odd Volumes.
- Club van Nederlandsche Vogelkundigen.
- Clubb, R
- Clubbe, C.
- Clubbe, Colin
- Clucas & Boddington Co.
- Clucas & Boddington Company.
- Clucas, R. W.
- Clucas-Boddington Co.
- Cluff, H. Dean
- Clugh, Raymond W
- Clugston, James A R
- Clugston, James P
- Clulow, Simon
- Clum, Harold H
- Clum, Harold Haydn, 1894-
- Clum, N J
- Clum, Review By: Harold H
- Clunie, Pam E.
- Clunies-Ross, Charles W
- Clusella-Trullas, Susana
- Clusius, Carolus, 1526-1609
- Cluster, Paul D
- Clute, Eugene.
- Clute, Ida Martin,
- Clute, O. (Oscar)
- Clute, Willard Nelson, 1869-1950
- Clutterbuck, Henry, 1767-1856
- Clutton Mrs.
- Clutton-Brock, A. (Arthur), 1868-1924
- Clutton-Brock, Julier
- Clutton-Brock, Juliet
- Cluver, M A
- Cluyt, Outger, active 1627-approximately 1636
- Clyde Nursery.
- Clyde Robin Seed Co.,
- Clyde, Karen J.
- Clymer, Meredith, 1817-1902
- Clyne, D
- Clyne, Densey
- Co, Leonardo L.
- Co, Robert
- Co?ar, Ilhan
- Coachman Dias, Martín
- Coad, B. R.
- Coad, Brian W.
- Coad, L.
- Coad, Nicholas
- Coade, G
- Coady, John W.
- Coal Creek State Forest (Mont.)
- Coan, Alessandra Ike
- Coan, Clarence Arthur, 1867-1934
- Coan, Eugene V.
- Coastal and Hydraulics Laboratory (U.S. Army Engineer Waterways Experiment Station)
- Coastal and Offshore Engineering and Research, Inc.
- Coastal Ecosystems Project.
- Coastal Engineering Research Center (U.S.)
- Coastal Engineering Research Center (U.S.).
- Coastal Engineering Research Center (U.S.). Field Research Facility.
- Coastal Geography Conference.
- Coastal Inlets Research Program (U.S.)
- Coastal Natural Area Inventory Project (N.C.)
- Coastal Oregon Productivity Enhancement Program.
- Coastal Oregon Productivity Enhancement Program. Adaptive COPE.
- Coastal Plains Nurseries.
- Coastal zone management conference Washington, D.C.) 1969-
- Coate, F
- Coate, Kevin Howard
- Coate, Tom
- Coaten, Arthur W.
- Coates Palgrave, Meg
- Coates, Alan R.
- Coates, Christopher W. (Christopher William)
- Coates, Dave
- Coates, David J
- Coates, David J
- Coates, David J
- Coates, David J
- Coates, David J.
- Coates, F
- Coates, Fiona
- Coates, Henry
- Coates, Henry T. (Henry Troth), 1843-1910
- Coates, Hudson W.
- Coates, John
- Coates, K. A.
- Coates, Kevin P
- Coates, Leonard Nurseries, Inc.
- Coates, Leonard.
- Coates, Michael
- Coates, Michael I.
- Coates, Reynell, 1802-1886
- Coates, Rosamond
- Coates, Terry
- Coates, W. Nigel
- Coates-Markle, L. (Linda)
- Coats, Catherine
- Coats, Joel R
- Coats, Mack Colvin, 1868-
- Coats, R E
- Coayla, Daxs
- Cobau, Roberto
- Cobb & Bobbitt (Firm)
- Cobb & Bobbitt.
- Cobb, Anna E.
- Cobb, Arthur F.
- Cobb, Christopher S.
- Cobb, Cora Stanwood.
- Cobb, E., F.Z.S.
- Cobb, Eric
- Cobb, Ernest, 1877-1964
- Cobb, F W
- Cobb, F. E. (Francis Ezra), 1881-
- Cobb, J. H. (Jonathan Holmes), 1799-1882
- Cobb, J. Stanley.
- Cobb, James C.
- Cobb, James L S
- Cobb, Joan
- Cobb, John N. (John Nathan), 1868-1930
- Cobb, Kerry
- Cobb, Lisa M.
- Cobb, Margaret V
- Cobb, Nathan Augustus, 1859-1932
- Cobb, Neil
- Cobb, Richard C
- Cobb, Stanley
- Cobb, Stanley, 1887-1968
- Cobb, Tyler
- Cobb, Victor E. (Victor Ernest), 1876-1945
- Cobb, Vincent A
- Cobban, William Aubrey, 1916-
- Cobbe, Frances Power, 1822-1904
- Cobben, R H
- Cobbett, Alice.
- Cobbett, Martin, 1846-1906
- Cobbett, William
- Cobbett, William, 1763-1835
- Cobbin, J
- Cobbinah, Joseph R
- Cobble Cottage Gardens.
- Cobbold, Stephanie M
- Cobbold, T. Spencer (Thomas Spencer), 1828-1886
- Cobcroft, Nic
- Cobden Club (London, England)
- Cobden, Ellen Melicent, 1848-1914
- Cobelli, R
- Cober, Tobias, approximately 1574-1625
- Cobey, W. W. (William Wilfred), 1878-1908
- Cobián, Dorka
- Cobigo, Maxime
- Coblens, Michelle
- Coblentz, William W. (William Weber), 1873-1962
- Cobo, Darío H R
- Cobo, F
- Cobo, Fernando
- Cobo, J Luis Espínola
- Cobo, M Carmen
- Cobo, Valter José
- Cobolli, Marina
- Cobos, A
- Cobos, Anthony
- Cobos, Antonio
- Cobos, Aurora
- Cobos, J. Y. G.
- Cobos, Marlon E
- Cobos, Víctor
- Cobres, J. P. (Joseph Paul)
- Coburn, David A.
- Coburn, F. D. (Foster Dwight), 1846-1924
- Coburn, Hilda
- Coburn, James F.
- Coburn, Louise H
- Cobzaru, Ioana
- Coca MeĢndez, Claudia,
- Coca, Luis Fernando
- Cocardas, M Edmond
- Cocareli, Neuza Maria
- Coca-Salazar, Alejandro
- Cocca, Ennio
- Cocca, Walter
- Cocchi, Igino, 1828-1913
- Cocchi, Sara
- Cocco, Anastasio
- Cocco, Arturo
- Cocco, Giovanna Sotgiu
- Cocco, Luigi
- Cocco, Mauro
- Coccolini, Luciano
- Cocconi, Girolamo
- Cocentino, Adilma de Lourdes Montenegro
- Cochard, Pierre-Olivier
- Cocheris, P. (Pauline Augustine Wagrez), 1830-
- Cochero, Joaquín
- Cochero, Suljey
- Cochet-Cochet, Charles, 1866-1936
- Cochia, Pablo D
- Cochin, Charles Nicolas, 1688-1754
- Cochin, Charles Nicolas, 1715-1790
- Cochran, Alyssa
- Cochran, Brian
- Cochran, D G
- Cochran, Doris M., (Doris Mable), 1898-1968
- Cochran, Ferdouz V.
- Cochran, James Madison.
- Cochran, John,
- Cochran, Joseph A.
- Cochran, M Ethel
- Cochran, P A
- Cochran, P. H.
- Cochran, Philip A. 1955-2015
- Cochran, Roger C
- Cochran, Tonia
- Cochran, Tonia G.
- Cochran, Tyler J
- Cochran, William W.
- Cochrane, Alexia C.
- Cochrane, Anne
- Cochrane, Charles Stuart.
- Cochrane, Donald C. (Donald Cameron), 1885-
- Cochrane, E
- Cochrane, G Ross
- Cochrane, G W
- Cochrane, G.J.
- Cochrane, Guy
- Cochrane, Hene Lane
- Cochrane, Henry L.
- Cochrane, J A
- Cochrane, J H
- Cochrane, John I.
- Cochrane, M A
- Cochrane, Mark Alan
- Cochrane, Michael G.
- Cochrane, P.
- Cochrane, Robert.
- Cochrane, Susan A.
- Cochrane, T.T.
- Cochrane, Theodore S.
- Cochrane, Thomas. A.
- Cochrane, Vincent W.
- Cocilio, Rodrigo A. Nieva
- Cocilovo, José A.
- Cocito, S