"Servant of the servants of God" (Latin: servus servorum Dei)[1] is one of the titles of the Pope and is used at the beginning of papal bulls.[2]
^Gabriel Adeleye, Kofi Acquah-Dadzie, Thomas J. Sienkewicz, World dictionary of foreign expressions: a resource for readers (1999) "Servus servorum Dei", p. 361.
^Ian Robinson The papal reform of the eleventh century p. 326 - 2004 "Gregory bishop, servant of the servants of God, to the archbishops, bishops , dukes, counts and the greater and lesser men in the kingdom of the Germans, greeting and apostolic blessing."