- http://www.merriam-webster.com/dictionary/recess -- Definition of recess
- U.S. Department of Education. (2012b). Digest of education statistics: 2011. Washington, D.C: U.S. Government Printing Office. -- Comparison
- http://classroom.synonym.com/effect-recess-academics-4025.html -- Physical and Psychological Effects
- http://www.scholarpedia.org/article/The_Benefits_of_Recess_in_Primary_School -- Physical and Psychological Effects
- http://www.huffingtonpost.com/claire-mccarthy-md/recess_b_2397930.html -- Pros/Cons
- http://www.publicschoolreview.com/blog/who-killed-recess-the-movement-to-resuscitate-recess -- Pros/Cons