31 To these and others should be added the Litany of Loreto which daily invites Christian folk to call upon Mary as Queen. Likewise, for many centuries past Christians have been accustomed to meditate upon the ruling power of Mary which embraces heaven and earth, when they consider the fifth glorious mystery of the rosary which can be called the mystical crown of the heavenly Queen.
Source: Ad Caeli Reginam (Vatican.va)