It lists the popes in chronological order and all officials of the Holy See's departments. It also provides names and contact information for all cardinals and bishops, the dioceses (with statistics about each), the departments of the Roman Curia, the Holy See's diplomatic missions abroad, the embassies accredited to the Holy See, the headquarters of religious institutes (again with statistics on each), certain academic institutions, and other similar information. The index includes, along with all the names in the body of the book, those of all priests who have been granted the title of "Monsignor".