Hart Camp, Texas - Handbook of Texas
- Community history and information.
- http://www.tsha.utexas.edu/handbook/online/articles/HH/hrh15.html

Handbook of Texas Online
- Current and historical information about Lamb County.
- http://www.tsha.utexas.edu/handbook/online/articles/LL/hcl2.html

U.S. Counties - Lamb County Data Page
- National Association of Counties. County officials and addresses.
- http://www.naco.org/Template.cfm?Section=Find_a_County&Template=/cffiles/counties/county.cfm&id=48279

Lamb County - U.S. Census Bureau
- Population, demographic, and housing information from the 1990 census. Link to Tiger map of the county.
- http://quickfacts.census.gov/qfd/states/48/48279.html

Texas Community Profiles - Olton
- Community information from the Texas Department of Economic Development.
- http://community.tded.state.tx.us/communities/commpages/186.htm

Texas County Data - Lamb County
- Property search of appraisal district records of the county.
- http://www.txcountydata.com/county.asp?County=140

Lamb County - USCounties.com
- Business submissions,classifieds,chat,discussions.
- http://www.uscounties.com/Texas/Lamb-County/

Amphibians and Reptiles in Lamb County
- Texas Cooperative Wildlife Collection list of species found in the county.
- http://wfscnet.tamu.edu/tcwc/checklist/lamb140.htm