1) Anglo-Norman literature 
`Laüstic`, also known as `Le Rossignol`, `Le Laustic`, `Laostic`, and `Aüstic`, is a Breton lai by the medieval poet Marie de France. The title comes from the Breton word for `nightingale`, a symbolic figure in the poem. It is the eighth poem in the collection known as the Lais of Marie de France, and the poem is only found in the ma...