Latest issue consulted: Tomo 1, núm. 8 (dic. 15 de 1879).
Microfilm. Aug.15-Dec.15 1879 Austin, TX : Nettie Lee Benson Latin American Collection, General Libraries, University of Texas at Austin : Filmed by Texas State Library Micrographics, 2003. 1 microfilm reel ; 35 mm. (Independent Mexico in newspapers, the 19th century ; reel 4) Filmed with other newspapers.