Courses / NHT NHT · 2 coursesNHT courses at Texas State University Browse course codes and credit hours in the official 2026–27 catalog.Official 2026–27 catalog · Checked 2026-11-05 Find a course in this subject Catalog courses NHT 4301Planning and Development of Nature and Heritage Tourism3 credit hours NHT 4302Internship in Nature and Heritage Tourism3 credit hours