According to this letter, Roberto Morales Aganza and Rafael Garcia Molina testify to the fact that Asterio Lopez Leon was a bracero during the years of 1949 to 1963. This letter was written in Mexicali, Baja California, Mexico on September 10, 2003.
This notarized letter acknowledges the fact that Faustino Martinez worked as a bracero from 1957 to 1962. Two people signed as witnesses that he worked in both Imperial and San Joaquin Valley.