Temas de Interes:
http://desdeguate.com/blog/2006/07/18/la-hora-de-ruby-30-tutoriales-de-ruby-on-rails/
http://www.tutorialspoint.com/ruby-on-rails/
http://oreilly.com/ruby/archive/rails2.html
http://godbit.com/article/beginners-guide-to-rails-part-1
http://hackerdude.com/courses/rails/
http://desdeguate.com/blog/2006/07/18/la-hora-de-ruby-30-tutoriales-de-ruby-on-rails/