John P. Brock, at Headquarters, Mexico, Camp Buena Vista, to his sister, Amanda J. Brock., 1847 October 15, 205b638f-e28e-4b6c-a71c-6e93d6059436. Special Collections Research Center. https://scrcguides.libraries.wm.edu/repositories/2/digital_objects/2490 Accessed May 21, 2024.