Miguel Antonio Otero in Hispanic Americans in Congress, 1822-2012. Prepared under the direction of the Committee on House Administration by the Office of the Historian and the Office of the Clerk, U.S. House of Representatives. Washington: Government Printing Office, 2013.
Otero, Miguel Antonio (Sr.) The Indian Depredations in the Territory of New Mexico. Washington, D. C.: n. p., 1859.
___. Address to the People of New Mexico. Santa Fe, NM: n. p., 1860.
___. An Abolition Attack upon New Mexico, and a Reply by the Hon. M. A. Otero. Santa Fe, NM: n. p., 1861.
Otero, Miguel Antonio (Jr.) My Life on the Frontier, 1864-1882. 1935. Reprint, Albuquerque: University of New Mexico Press, 1987.
Hon. Miguel A. Otero, in Speer, William S., and John Henry Brown, eds., The Encyclopedia of the New West. 1881. Reprint, Easley, S.C.: Southern Historical Press, 1978: 30-32.
Stegmaier, Mark J. New Mexicos Delegate in the Secession Winter Congress, Part 1: Two Newspaper Accounts of Miguel Otero in 1861," New Mexico Historical Review, Vol. 86, No. 3 (Summer 2011): 385-92.
___. New Mexicos Delegate in the Secession Winter Congress, Part 2: Miguel A. Otero Responds to Horace Greeley, and Greeley Takes Revenge," New Mexico Historical Review, Vol. 86, No. 4 (Fall 2011): 513-23.