Unauthorized Aliens Residing in the United States: Estimates Since 1986

https://www.fas.org/sgp/crs/misc/RL33874.pdf

The Global Religious Landscape: A Report on the Size and Distribution of the World’s Major Religious Groups as of 2010

http://www.pewforum.org/global-religious-landscape-exec.aspx

For Many Poor Students, Leap to College Ends in a Hard Fall

http://www.nytimes.com/2012/12/23/education/poor-students-struggle-as-class-plays-a-greater-role-in-success.html

Despite billions spent to address hunger, families in Chad cling to harmful traditions

http://www.washingtonpost.com/world/africa/despite-billions-spent-to-address-hunger-families-in-chad-cling-to-harmful-traditions/2012/12/20/236425bc-4adb-11e2-8758-b64a2997a921_story.html