Purton, Berry. [Letter from Berry, Purton to the Commanding Officer, February 27, 1865], letter, February 27, 1865; (https://texashistory.unt.edu/ark:/67531/metapth186388/m1/1/: accessed May 19, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .