- Kane, J. N. and C. C. Aiken. The American Counties: Origins of County Names Dates of Creation and Population Data 1950-2000. Lanham, MD.: Scarecrow Press, 2005.
- Library of Congress Historic American Buildings Survey (Comal Co)
- Comal County government’s website
- 線上版《Handbook of Texas》中的Comal County
- Canyon Lake Area Chamber of Commerce
- Historic materials from Comal County, hosted by the Portal to Texas History