Secondary sources: 

Conif, Michael L. “Panama Canal” encyclopedia of Latin

Detroit, Charles Scribner’s sons, 2008 pg. 29-32 Panama

Miller, Heather  the panama canal, Chicago: Norwood house 2014 print.

www.history.com/news/7-fascinating-facts-about-the-Panama-Canal

geography.about.com/od/specificplacesofintrest/a/panamacanal.htm

Ropp, Steve C. "Panama Canal." World Book Advanced. World Book, 2016. Web. 28 Jan. 2016

Soft Schools Panama Canal Facts

<a href="http://www.softschools.com/facts/wonders_of_the_world/panama_canal_facts/102/">Panama Canal Facts</a>

The Workers

<http://www.pbs.org/wgbh/americanexperience/features/general-article/panama-workers/>

 

Primary                           

Page 28, 29 and 131 of Panama: a country study by Sandra W. Meditz ed. Dennis Michael Hanratty

National Archives and Records Administrationhttp://www.archives.gov/exhibits/panoramic_photography/images/ panama_canal.html

http://www.archives.gov/exhibits/treasures_of_congress/text/ page25_text.html

http://www.archives.gov/research/guide-fed-records/groups/185.html

http://www.archives.gov/research/guide-fed-records/groups/185.html#185.2

http://www.archives.gov/research/guide-fed-records/groups/185.html#185.4

http://www.archives.gov/research/guide-fed-records/groups/185.html#185.7

http://www.archives.gov/research/guide-fed-records/groups/185.html#185.9