From a Manuscript of 13th Cen. de Lincy's Collection, Volume I, p. 108; Volume II, p. 392. La Guerre de Genève. Poem. (1gh34). —Sprichwörter. (1541). An earlier version in Ignaz von Zingerle, Sprichwörter im Mittelalter. For Earlier idea, with cat substituted; see Gabriel Meurier, Trésor des Sentences; Nuñez de Guzman, Refranes, Salamanca. Wake not a sleeping lion. Countryman's New Commonwealth. (1647). Wake not a sleeping wolf. Henry IV, Part II (1597-99), Act I, scene 2, line 174. Henry VIII, https://en.wikiquote.org/wiki/Dogs