https://www.youtube.com/watch?v=yVS-kOW6eM8
https://www.youtube.com/watch?v=Of1zMRtALLQ
His lecture on Leo XIII's body:soul::state:church vs. Maritain's nature:grace::state:church analogies:
https://www.youtube.com/watch?v=Z-eMhtsAz4w
Marshner (https://marshner.christendom.edu/) is also a Cajetan translator.