- The American Society of Appraisers
- Internal Revenue Services
- Business Valuation Resources
- Texas Comptroller’s Economic Outlook
- American Institute of CPAs
- Damodaran Business Valuation Resources
- Federal Reserve Bank of Dallas
- Wills, Trusts & Estates Blog
- U.S. Energy Information Administration
- Article: Option Volitility
- Realty Rates
- Texas Rural Land Values
- Business for Sale
