http://www.legalmatch.com/law-library/article/working-under-a-student-f1j1-visa.html

http://www.h1base.com/visa/work/usa/ref/1134/

http://www.unitedworkprograms.com/h2b.html

http://www.messersmithlaw.com/work-visa/j1-visa.html

http://www.usainternship.com/html/j1_work___travel.html

http://www.j1online.ie/

http://www.usimmigrationsupport.org/visa_j1.html

http://bulgaria.usembassy.gov/j1_summer_work.html

http://www.visabureau.com/america/j1-visa.aspx

http://usimmigration.visapro.com/J1-Visa-2.asp