http://arapahoe.littletonpublicschools.net/Portals/7/Social%20Studies/Gerlich/U.S.%20History/1950s/1950s%20Syllabus.pdf
http://mrgonzalezhistory.weebly.com/uploads/1/3/4/8/13483619/21_age_of_anxiety.pdf
http://orbis.library.yale.edu/vwebv/holdingsInfo?searchId=5511&recCount=50&recPointer=0&bibId=4840074