EntiSoft: Hargill - Demographic information about Hargill, Texas. extra.entisoft.com/H/a/Hargill.HTM
Gloria Anzalda and Cherrie Moraga - Biographical information referencing Gloria Anzalda, a one-time Hargill resident. gaygate.com/media/pages/GloriaA.shtml
Handbook of Texas Online: Hargill, Texas - Brief historical and factual information about Hargill, Texas. www.tsha.utexas.edu/handbook/online/articles/view/HH/hlh23.html
Official Series Description - Hargill Series - The Hargill series consists of deep, well drained, moderately permeable soils that formed in loamy sediments www.statlab.iastate.edu/soils/osd/dat/H/HARGILL.html
