Motu Proprio Cum Proxime concerning the New Norms for the Conclave of Cardinals (March 1, 1922) [Italian] 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 In multis solaciis on the occasion of the re-organization of the Pontifical Academy of Sciences (October 28, 1936) [Italian]