سیمپسون کالجی
سیمپسون کالجی ()بیر عالی تحصیل موسّسه‌سی.

مزون‌لار

قایناق‌لار 

Simpson College Greek Life.  "Simpson College Greek Chapters" , Simpson.edu.  Retrieved on 2010-1-23.
Metzger, Sherry.  "Bilateral Amputee Named in Top 25 NCAA Moments: College Wrestling Champion Nick Ackerman", The O&P Edge, June 2006.  Retrieved on 2007-10-25.
http://www.thesimpsonian.com/site/about.html 
http://simpson.edu/success-story/mike-pearson-10/
http://simpson.edu/library/archives-special-collections/college-archives/campus-day-history/ 
As of May 31, 2013.  

بیلیم‌یوردلار

Simpson College