Lesson 1
https://www.history.com/topics/exploration/vikings-history
Lesson 5
Updated: https://www.dkfindout.com/us/history/vikings/
Updated: https://www.natgeokids.com/uk/discover/history/general-history/10-facts-about-the-vikings/
Lesson 9
Updated: http://www.bbc.com/travel/story/20170629-the-first-european-settlement-in-the-new-world
Page 6
Updated: https://www.nationalgeographic.com/travel/countries/marco-polo-photos/
http://www.eduplace.com/kids/socsci/books/applications/imaps/maps/g2_u5/index.html#top
Lesson 17
http://www.eyewitnesstohistory.com/columbus.htm
Lesson 22
https://www.historyisfun.org/?aspxerrorpath=%2Fjamestown-settlement.htm.
Lesson 25
http://www.pilgrimfathersorigins.org/austerfield-manor-house.html
Lesson 49
http://www.pbs.org/benfranklin/
Lesson 50
Updated: Visit YouTube and search "Tanning leather" to view a number of videos on the leather tanning process. Or click this link https://youtu.be/JePHz7yVijk
Lesson 67
http://www.mountvernon.org/george-washington/
Lesson 68
http://teachingamericanhistory.org/convention/
Lesson 79
https://oregonencyclopedia.org/articles/fort_clatsop_/#.WtKphCMrIzY
Lesson 80
http://www.lewisandclarktrail.com/101.htm
Lesson 84
http://www.abrahamlincolnonline.org/lincoln/sites/knob.htm
Lesson 86
http://amhistory.si.edu/starspangledbanner/
Lesson 87
https://www.nps.gov/libo/learn/historyculture/milk-sickness.htm
Lesson 91
Updated http://www.tnhistoryforkids.org/history/virtual-tours/virtual-tours/cumberland-gap.2426131
Lesson 92
Updated http://www.thealamo.org/index.html
http://americanhistory.si.edu/onthewater/exhibition/4_1.html
Lesson 95
http://www.waynet.org/levicoffin/
Lesson 96
https://www.nps.gov/nr/travel/underground/
Lesson 99
https://www.nps.gov/wori/learn/historyculture/sojourner-truth.htm
http://www.pbs.org/wgbh/aia/part4/4p2932.html
Lesson 101
https://www.whalingmuseum.org/
http://explore.museumca.org/goldrush/
Lesson 102
https://www.nps.gov/poex/learn/historyculture/index.htm
Lesson 103
https://www.loc.gov/exhibits/gettysburg-address/
