D.U. "Buck" Buckner donated his memoirs and personal papers to South Texas Archives to document his family history. He spent his childhood years in Pharr, Texas.
Buckner was an alumnus of Texas A&I University (now Texas A&M University-Kingsville.) He worked as a Real Estate Appraiser and Consultant. His papers and writings tell the story of his family in the Rio Grande Valley in the middle and late years of the twentieth century.