• Currency converter: www.xe.com/ucc/
• Weights & measures: www.goconvert.com/cgi-bin/weight.asp
• Freight Inco terms: www.i-b-t.net/incoterms.html
• http://www.mainfreight.com/nz/en/nz-home/freight-basics.aspx
• https://www.foreign-trade.com/reference/glossary.cfm
• Airline codes: www.airlinecodes.co.uk/
• Airport codes: www.world-airport-codes.com/
• Lists of Sea Ports: www.ports.com
• World clock: www.timeanddate.com/worldclock/
• Air Freight Container Types: www.asanetwork.org/members/li/files/air.png
• Ocean Freight Container Types: www.asanetwork.org/members/li/files/ocean.png
• Glossary of Shipping Terms: http://www.shiplilly.com/resources/glossary-shipping-terms/