Handbook of Texas Online: Cotulla, TX
- Community history and information.
- http://www.tsha.utexas.edu/handbook/online/articles/CC/hgc16.html

Cotulla Independent School District
- Information about district offices, job openings, school year calendar and e-mail contacts.
- http://www.cotullaisd.org/

TexasEscapes.com
- A brief history of the town and its importance to the sweet onion crop production.
- http://www.texasescapes.com/SouthTexasTowns/CotullaTexas/CotullaTexas.htm

Whitetail Realty
- Specializes in south Texas hunting ranches in the Golden Triangle.
- http://www.whitetailrealty.com/

Red Rock Ranch
- Exotic, whitetail deer, quail, dove, turkey, and wild hog hunts near Cotulla.
- http://www.redrockranchtx.com/

Page Aviation
- Provides information about their line and agricultural services, and about Cotulla-La Salle County Airport.
- http://www.cotullaairport.com/

Brush Country Museum
- One-room schoolhouse. Includes exhibit and membership information.
- http://historicdistrict.com/museum/

ChefMoz: Cotulla
- Detailed restaurant listings and dining guide with reviews submitted by the public, and links to outside reviews. Search by name, cuisine, rating, or location.
- http://chefmoz.org/United_States/TX/Cotulla/

Covert Ranch
- Offering trophy whitetail deer hunts hunts in LaSalle County, part of the south Texas brush country. Includes photos of trophy bucks, news, location, contact information, facilities, and fees. Also have turkey, quail,and varmint hunts.
- http://www.covertranch.com/