1827Imprenta de Ortega y Compañía, calle de Valverde,University of Texas at Austin: Harry Ransom Center
1828Imprenta de Ortega y Cía.,University of North Carolina at Chapel Hill: Wilson Special Collections Library
1828Ortega y Compañía,University of Texas at Austin: Harry Ransom Center
1829Ortega,University of Texas at Austin: Harry Ransom Center
1826Ortega y Compañia,University of Texas at Austin: Harry Ransom Center
1826D.M. Ortega,University of Texas at Austin: Harry Ransom Center
1829Imprenta de Ortega y Compañia,University of Texas at Austin: Harry Ransom Center
