Links

Professional Associations

• American Association of Professional Landmen
  
• Houston Association of Lease and Title Analysts 
  
• Houston Association of Division Order Analysts

Government Websites

• Texas County Clerks Offices
• Texas General Land Office
• Louisiana Department of Natural Resources
• Louisiana Clerks of Court 
• SONRIS (Louisiana)
• Railroad Commission of Texas 
• Oklahoma Corporation Commission
• Minerals Management Service

Industry Associations

• American Petroleum Institute
• Independent Petroleum Association of America

 Oil & Gas History Websites

• Museums (by state)
• American Oil and Gas Historical Society