This is all wonderful stuff.
On a very minor point: It says above that the deacon and subdeacon don't wear the dalmatic or tunicle during Advent. I have been at TLM's during Advent, and have never witnessed this practice. Did it change with the 1962 Missall?
Stir up within Thy Church, we beseech Thee, O Lord, the Spirit with which blessed Josaphat, Thy Martyr and Bishop, was filled, when he laid down his life for his sheep: so that, through his intercession, we too may be moved and strengthen by the same Spir