Motu Proprio Cum Proxime concerning the New Norms for the Conclave of Cardinals (March 1, 1922) [Italian] Motu Proprio Romani Pontificis (March 12, 1922) [Latin] Motu Proprio Romanorum Pontificum (May 3, 1922) [Latin] Motu Proprio Ad Musicae Sacrae (November 22, 1922) [Latin] Motu Proprio Post datam (April 20, 1923) [Latin] Motu Proprio Orbem catholicum (June 29, 1923) [Latin] Motu Proprio Latinarum litterarum (October 20, 1924) [Latin] Motu Proprio I primitivi cemeteri concerning the work of the Pontifical Institute for Sacred Archaeology (December 11, 1925) [Italian] Motu Proprio Di nostro moto proprio on the Fundamental Law of the Vatican City (June 7, 1929) [Italian] Motu Proprio Vix ad summi Pontificatus (June 24, 1929) [Latin] Motu Proprio Decessor Noster (June 24, 1929) [Latin] Motu Proprio Già da qualche tempo (February 6, 1930) [Italian] Motu proprio In multis solaciis on the occasion of the re-organization of the Pontifical Academy of Sciences (October 28, 1936) [Italian, Latin]