Apostolic letter

The term apostolic letter (littera apostolica in Latin) can designate:


 * Bible parts, which are:
 * the Pauline epistles
 * the Epistle to the Hebrews
 * the seven catholic epistles
 * One of the major types of ecclesiastical document issued by the pope or in his name
 * in Antiquity
 * in the medieval period
 * in modern times