Amphibians and Reptiles in Irion County - Texas Cooperative Wildlife Collection list of species found in the county. wfscnet.tamu.edu/tcwc/checklist/IRION118.HTM
Butterflies of Irion County, Texas - Information about and pictures of all the known species of butterflies in the county. www.npwrc.usgs.gov/resource/DISTR/LEPID/BFLYUSA/chklist/states/counties/tx_235.htm
Irion County - Lists contact information for county and district court offices and includes a map and demographic information. www.co.irion.tx.us
Irion County QuickFacts from the US Census Bureau - Population, demographic, and housing information from the 1990 census. Link to Tiger map of the county. quickfacts.census.gov/cgi-bin/county?cnty=48235
