The Texas Register includes:
After proposed rules are adopted they are codified by subject in the Texas Administrative Code.
Like the Fed. Reg, the Texas Register is a current awareness tool and, at the same time, a source of regulatory history. To keep current, you can look for the latest issue on a weekly basis for new ("Adopted Rules" section) and proposed regulations.
Print: At the Tarlton Law Library, it is located in the main reading room on the 2nd floor.
Ways to research regulations:
As usual, both Lexis and Westlaw have the additional options of natural language and terms and connectors searching.
Lexis and Westlaw may be more familiar to the typical researcher, but in terms of currency, the free government sources are better.