found: The economics of freedom, 2010:t.p. (Students for Liberty)
found: Why liberty, 2013:title page (Students for Liberty) title page verso (location: Arlington, VA) advertisement at back of book (Students for Liberty; Washington, D.C.; "an international libertarian advocacy and education organization dedicated to providing a unified, student-driven forum of support for students and student organizations dedicated to liberty")
found: Wikipedia, viewed September 29, 2014:article, Students for Liberty (Students for Liberty (SFL); founded July 24, 2008; libertarian non-profit organization; focus: civil society, civic engagement, and social entrepreneurship; international in scope)
found: Students for Liberty, website, viewed September 29, 2014:Home (Students for Liberty and SFL both in a logo) About >Contact SFL (mailing address and office in Washington, D.C.)