Paris, Bibliotheque Nationale de France lat. 4450(ca.1075-1100), fol. 3v
Justinian, Digest 1.3.1-11
K. Pennington, “Irnerius and Odofredus,” Rivista internazionale di diritto comune 28 (2017) 11-27
§ Quod unum et idem est re ipsa; secundum diuersas inspectiones hec nomina recipit; populus uniuersitatis iure precipit idem singulorum nomine promittit et spondet. y.
Besta, Irnerio p.5
In the Torino, Biblioteca nazionale F.II.14 the y. is at the beginning of the gloss but according to Besta is missing in Padua, Biblioteca universitaria 941.
"die .y.-Glossen . . . die in den Handschriften reichlich zu finden waren; es geschah vermutlich erst gegen Ende des 12. Jahrhunderts." Fried, "auf Bitten" p. 201
Y siglum at the beginning of glosses are not Irnerius' but paragraph signs § Gero Dolezalek, Repertorium manuscriptorum veterum Codicis Iustiniani (Ius Commune, Sonderhefte 23. 2 Volumes. Frankfurt am Main: Vittorio Klostermann, 1985) 1.465