Economic Opportunities Development Corp. of San-Antonio and Bexar County: Funding Request, Full Year Head Start, book, October 8, 1971; (https://texashistory.unt.edu/ark:/67531/metapth1114250/m1/1/: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .