http://www.carnival.com/

http://en.wikipedia.org/wiki/Carnival_Cruise_Lines

http://www.cruisedeals.com/ships/carnival

http://www.cruiseweb.com/CARNIVAL.HTM

http://www.vacationstogo.com/cruise_lines.cfm

http://www.vacationstogo.com/cruise_lines/carnival_cruises.cfm

http://www.cruiseexperts.com/cruise_lines/carnival.php

http://www.cruisecheap.com/carnival_cruise_lines.asp

http://www.cruisecritic.com/reviews/cruiseline.cfm?CruiseLineID=8

http://www.cruisevacationcenter.com/carnival_cruise_line.htm