19:38 duration 19 minutes 38 seconds
Texas Governor II: Professor Tannahill's…
Texas Governor II: Professor Tannahill's Lecture of February 25, 2016
Texas Governor II
15:28 duration 15 minutes 28 seconds
Texas Governor I: Professor Tannahill's…
Texas Governor I: Professor Tannahill's Lecture of February 25, 2016
Texas Governor I