http://www.universalmusica.com/LosTigresDelNorte

http://en.wikipedia.org/wiki/Los_Tigres_del_Norte

http://www.lostigresdelnorte.com/english/

http://www.amazon.com/Raices-Los-Tigres-del-Norte/dp/B0012X6FVW

http://www.youtube.com/watch?v=WH4_NYUHe9c

http://www.rhapsody.com/los-tigres-del-norte

http://www.lostigresdelnortefoundation.org/

http://www.thedailyswarm.com/headlines/los-tigres-del-norte-song-critical-mexican-govt-censored/

http://www.billboard.biz/bbbiz/content_display/industry/e3ib2e664ce05ad759cfdfc47b15a7ceb87

http://blogamole.mtvtr3s.com/2009/10/29/los-tigres-del-norte-get-censored-in-mexico/