The Digital Index of Middle English Verse
Found Records:
Rycharde cuer du lyon, Kynge, [Enprynted at London: In ye Fletestrete at the sygne of the sonne
by wynkyn de worde, prynter vnto the moost excellent pryncesse my lady the kynges moder, In the yere of
our lorde god. M.CCCCC. ix. [1509]]