Site 1:  http://www.census.gov/Press-Release/www/2003/cb03-ff07SE.html

Site 2:  http://www.archives.gov/exhibit_hall/american_originals_iv/sections/louisiana_purchase_treaty.html  - Click on "Read More"

Site 3:  http://www.washington.edu/uwired/outreach/cspn/hstaa432/lesson_4/louisiana2.html

Site 4:  http://www.archives.gov/exhibit_hall/american_originals/loupurch.html

Site 5:  http://www.gatewayno.com/history/LaPurchase.html

Site 6:  http://www.crt.state.la.us/crt/tourism/studentbrochure/purch.htm

Site 7:  http://www.educationworld.com/a_lesson/lesson/lesson179.shtml

Other website:  http://www.nps.gov/jeff/1800_1810.html