Description based on: 2. época, no. 1 (5 de mayo de 1912).
Microfilm. May 5 1912 Austin, TX : Filmed by Southwest Micropublishing, El Paso, TX on behalf of Nettie Lee Benson Latin American Collection, General Libraries, University of Texas at Austin, 2001. 1 microfilm reel ; 35 mm. (Revolutionary Mexico in newspapers, 1900-1929 ; reel 43) Filmed with other newspapers.