Regem Archangelorum
Feast: S. Gabrielis Archangeli
Office_part: in
Submitter: marteo
Comments
Rsigns from LH83, to be critically examined. Melody seems to be from https://gallica.bnf.fr/ark:/12148/btv1b10033589v/f117.image
Standardization from APEXIa and COPOIc