1. Backdoor at Bagdad : the Civil War on the Rio Grande Author/Creator: Irby, James A., 1920- Publication/Creation: El Paso, Tex. : Texas Western Press, The University of Texas at El Paso, 1977 Resource Type: Book Is Part Of: Bound with: F786 .S6 NO.48-54 ; United States Customs and the Madero revolution / Access & Availability: Loading