La Lactancia Materna: Después De Los 6 Meses, pamphlet, February 2015; (https://texashistory.unt.edu/ark:/67531/metapth838336/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
La Lactancia Materna: Después De Los 6 Meses, pamphlet, February 2015; (https://texashistory.unt.edu/ark:/67531/metapth838336/m1/1/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .