1 · Religion and Magic
11 · Christian religion
11P · the Church (as institution)
11P3 · organization, functionaries and dignitaries in churches and in related institutions
11P31 · organization, functionaries and dignitaries in Roman Catholic church; clergy in general
11P311 · hierarchy of jurisdiction ~ Roman Catholic church
11P3111 · pope
11P31111 · insignia of the pope, e.g. tiara