I obediently obeyed Fr Zed's command to look at the above website for accurate EF ORDO-style information. Mysteriously, the Mass for October 7 gives a commemoration for Pope S Mark, with the collect/secret/postcommunion in Latin from the Roman Missal as it was before Pius XII invented the Common for Sovereign Pontiffs. But the English translation alongside are versions of the Pius XII formulae.
Oh dear. How difficult all this popish liturgy is. Clergy joining Ordinariates will obviously need enormous amounts of instruction before we get the hang of it.