 Ad usum Delphini

The Delphin Classics or Ad usum Delphini was a series of annotated editions of the Latin classics, intended to be comprehensive, which was originally created in the 17th century.The first volumes were created in the 1670s for Louis, "le Grand Dauphin", heir of Louis XIV ("Delphin" is the adjective derived from " Dauphin"), and were written entirely in Latin.