Butterflies of Collingsworth County, Texas
- Information about and pictures of all the known species of butterflies in the county.
- http://www.butterfliesandmoths.org/map?dc=1428&_dcc=1&si=44

Handbook of Texas Online : Collingsworth County
- Current and historical information about Collingsworth County.
- http://www.tsha.utexas.edu/handbook/online/articles/CC/hcc17.html

SaltFork Hunts
- Booking limited whitetail hunt packages on 10,000 acres of ranchland. Photos, seasons and hunting regulations, and information on facilities and reservations.
- http://www.saltforkhunts.com/

The Political Graveyard: Collingsworth County
- Lists politicians who lived or died in the county.
- http://www.politicalgraveyard.com/geo/TX/CG.html

Amphibians and Reptiles in Collingsworth County
- Texas Cooperative Wildlife Collection list of species found in the county.
- http://wfscnet.tamu.edu/tcwc/checklist/COLLG044.HTM

Collingsworth County TXGenWeb main page
- Collingsworth County, Texas genealogy page.
- http://www.rootsweb.com/~txcollin/