High Quality Content by WIKIPEDIA articles! Of Exorcisms and Certain Supplications (Latin: De Exorcismis et Supplicationibus Quibusdam) is an 84-page document of the Catholic Church describing the rite of exorcism. It was revised on 26 January 1998, making it the last liturgical book to be revised following the Second Vatican Council of 1962-1965. The preceding revision of the document was in 1614. The document was originally issued only in Latin, but some versions in the vernacular are extant.