http://history.howstuffworks.com/american-history/united-states-enacts-lend-lease-bill.htm
http://www.america.gov/st/peacesec-english/2010/April/20100518114619zjsredna0.3529736.html?CP.rss=true
http://www.ourdocuments.gov/doc.php?flash=true&doc=71
http://www.spartacus.schoolnet.co.uk/2WWlendlease.htm
http://www.history.navy.mil/faqs/faq59-23.htm