Bibliography

http://www.onwar.com/aced/chrono/index1930.htm

http://www.sciencetimeline.net/siteindex_d.htm

http://www.tvhistory.tv/timeline2.htm

http://www.skaro.com/30schart.html

http://en.wikipedia.org/wiki/Rockefeller

http://en.wikipedia.org/wiki/Zippers

http://en.wikipedia.org/wiki/Shirley_Temple

http://en.wikipedia.org/wiki/Clark_Gable

http://en.wikipedia.org/wiki/Hairstyles

http://en.wikipedia.org/wiki/Harold_Urey

http://en.wikipedia.org/wiki/Radio

http://en.wikipedia.org/wiki/Chrysler_building

http://en.wikipedia.org/wiki/Empire_state_building

http://en.wikipedia.org/wiki/Dick_and_Jane