Resources
Links to additional information about the history of gas stations and the Texas gasoline and oil industry:
Field Guide to Gas Stations in Texas (state.tx.us)
Texas Land Commissioner George P. Bush's Energy Map Of Texas (commissionerbushmaps.com)
TSHA | Handbook of Texas (tshaonline.org)
@SavingPlaces #TelltheFullStory | National Trust for Historic Preservation
The Conservation Society of San Antonio (saconservation.org)