CAB abstracts archive - http://www.ovid.com/site/catalog/DataBase/2189.jsp

Calcium and calcified tissue abstracts - 
http://www.csa.com/factsheets/calcified-tissue-set-c.php

Cambridge scientific abstracts (CSA) - http://www.csa.com/ 

CAMIO - http://camio.oclc.org/

CARRIE, the full-text electronic library The Documents Room - 
http://vlib.iue.it/carrie/ , also http://www.ku.edu/carrie

Catalysts & Catalysed Reactions - 
http://www.rsc.org/Publishing/CurrentAwareness/CCR/    

CCH Internet research network. Human resources management - 
http://www.cch.com/press/news/2000/20000522hteb.asp  

Census 2000 gateway - http://www.census.gov/main/www/cen2000.html

CephBase - http://www.cephbase.utmb.edu/

Ceramic abstracts/world ceramics abstracts - 
http://www.csa.com/factsheets/wca-set-c.php 

CERN document server (CDS) - http://cdsweb.cern.ch/

Chemical economics handbook - http://www.sriconsulting.com/CEH/

CHEMnetBASE - http://www.chemnetbase.com/

Chemoreception abstracts -
http://www.csa.com/factsheets/chemoreception-set-c.php

Child abuse and neglect - http://www.childwelfare.gov/can/

China academic journals -
http://www.library.pitt.edu/libraries/eal/Gateway-Home.htm, 
also http://china.eastview.com/Navigator.aspx?ID=1 

China proceedings of conference full-text database - 
http://china.eastview.com/Navigator.aspx?ID=4

Ciao, Columbia International Affairs Online - http://www.ciaonet.org/

CINAHL - http://www.ovid.com/site/catalog/DataBase/40.jsp 

CiteSeer.IST - http://citeseer.ist.psu.edu/

Clinical medicine & health research - http://clinmed.netprints.org/home.dtl

Clinical pharmacology - http://www.clinicalpharmacology.com/Default.asp

CnidBase, cnidarian evolutionary genomics database - 
http://www.bio-computing.org/showabstract.php?pmid=12519972 , 
also  http://chidbase.bu.edu/ 

CogPrints electronic archive - http://cogprints.org/,
http://cogprints.ecs.soton.ac.uk/

Combined chemical dictionary - http://www.chemnetbase.com/ 

Communication & mass media complete - 
http://www.ebscohost.com/thisTopic.php?topicID=56&marketID=1

Compendex - http://www.engineeringvillage2.org/controller/servlet/Controller

Computer and information systems abstracts journal - 
http://www.csa.com/factsheets/computer-set-c.php  

Computers & applied sciences complete - 
http://www.ebscohost.com/thisTopic.php?marketID=1&topicID=635

Conference papers index - http://www.csa.com/factsheets/cpi-set-c.php

Conservation and environment - 
http://memory.loc.gov/ammem/gmdhtml/cnsvhome.html 

Contemporary women's issues -
http://www.oclc.org/support/documentation/firstsearch/
databases/dbdetails/details/CWI.htm 

Copper Data Center database - 
http://www.csa.com/factsheets/copper-set-c.php

Corporate affiliations - http://www.corporateaffiliations.com/

Corrosion abstracts - http://www.csa.com/factsheets/corrosion-set-c.php

COS funding opportunities - http://fundingopps.cos.com/

CQ electronic library - http://library.cqpress.com/ 

Critical companions to popular contemporary writers - 
http://www.greenwood.com/catalog/CC00A.aspx 

Crop protection compendium - 
http://www.lib.iastate.edu/collections/db/croppc.html

CSA neurosciences abstracts - 
http://www.csa.com/factsheets/neurosciences-set-c.php

CSB.DB, a comprehensive systems-biology database - 
http://csbdb.mpimp-golm.mpg.de/

CumInCAD - http://cumincad.scix.net/cgi-bin/works/Home