Metz,Leon C.."Rio Grande".The Handbook of Texas Online.
Bandelier, Adolph Francis Alphonse, et Edgar L. Hewett. 1973. Indians of the Rio Grande Valley. Novi Eboraci: Cooper Square Publishers. ISBN 081540462X.
Coker, Caleb. 1992. The News from Brownsville: Helen Chapman's Letters from the Texas Military Frontier, 1848-1852. Austinopoli: Texas State Historical Association. ISBN 0-87611-115-0.
Diaz, George T. 2015. Border Contraband: A History of Smuggling across the Rio Grande. Austinopoli: University of Texas Press.
Ferguson, Henry N. 1976. The Port of Brownsville: a maritime history of the Rio Grande Valley. Brownsville Texiae: Springman-King Press.
Hoeltz, Sirlei Elaine. 1997. Artesãos e artefatos pré-históricos do vale do Rio Pardo. Santa Cruz do Sul: EDUNISC. ISBN 8585869186
Horgan, Paul. (1954) 1991. Great River: The Rio Grande in North American History. Ed. quarta. Hanoverii Novae Hantoniae: Wesleyan University Press. ISBN 0-8195-6251-3. Archivum.
Kearney, Milo, et Anthony K. Knopp. 1995. Boom and Bust: The Historical Cycles of Matamoros and Brownsville. Austinopoli: Eakin Press. ISBN 978-0-89015-815-9.
Kelley, Pat. 1986. River of Lost Dreams: Navigation on the Rio Grande. Lincolniae: University of Nebraska Press. ISBN 978-0-8032-2712-5.
Lonard, Robert I., James H. Everittg, et Frank W. Judd. 1991. Woody plants of the lower Rio Grande Valley, Texas, illustrationes Normanni A. Browne. Austinopoli: Texas Memorial Museum, University of Texas at Austin.
Meier, Martin. 1998. "De iubilaeis hoc anno celebrandis: Quo modo Civitates Unitae Americae anno 1848o magnarum hodierni territorii sui partium potitae sint." Rumor Varius 21, no. 126 (5+6, 13 Decembris): 129–132. PDF.
Salinas, Martin. 1990. Indians of the Rio Grande delta: their role in the history of southern Texas, and northeastern Mexico. Austinopoli: University of Texas Press. ISBN 0292730470, ISBN 0292730551.