The letter is referred to in: Pope Benedict XIV, "Injuncta Nobis", 6 July 1751, in: Sanctissimi Domini nostri Benedicti papae XIV bullarium,(in Latin), editio nova, Tomus Tertius, Volume 9 (Mechlin: Hanicq, 1827), pp. 41-42, § 1.
chiesacattolica.it
gorizia.chiesacattolica.it
The court of Vienna resisted the plan for some time, preferring an institution simply for the formation of priests, a career training academy. Martina (1988), pp. 27-28."Carlo Michele dei Conti d'Attems (1752 – 1774)". www.gorizia.chiesacattolica.it (in Italian). Retrieved 20 August 2018.[self-published source]