Airport Codes - www.world-airport-codes.com 

Currency Conversion - www.finance.yahoo.com/currency 
Dialing Prefixes - www.globaltelecom.org/codes_ab.htm 
Embassies and Consulates - www.embassyworld.com 
Industry Law - www.forwarderlaw.com 
Inco terms - www.iccwbo.org/incoterms 
Seaports - www.ports.com 
Industry Dictionary - www.exportbureau.com/dictionary.html 
Weight Conversions - www.onlineconversion.com/weight 
Worldwide  Weather - www.worldweather.com 
Currency converter: www.oanda.com