The Whole Truth About Mexico: President Wilson's Responsibility - Francisco Bulnes - Google Books

http://books.google.de/books?id=PPBmPCweFFYC&pg=PA176&dq=%22Plan+de+Ayala%22+1911+-Wikipedia&lr=&as_brr=3&ie=ISO-8859-1&output=h

1916. Expose on Mexican corruption by Bulnes, civil and mining engineer, chemist and bacteriologist; Representative and Senator in the Mexican Congress for 30 years. He believed that the Mexican revolution had a threefold aspect: that of a great social…