The Third Epistle of John is the third-to-last book of the New Testament and the Christian Bible as a whole, and attributed to John the Evangelist, traditionally thought to be the author of the Gospel of John and the other two epistles of John.

The Second Epistle of John is a book of the New Testament attributed to John the Evangelist, traditionally thought to be the author of the other two epistles of John and the Gospel of John (though this is disputed). Most modern scholars believe this is not John the Apostle, but in general there is no consensus as to the identity of this person or group.

The First Epistle of John is the first of the Johannine epistles of the New Testament and the fourth of the catholic epistles. There is no scholarly consensus as to the authorship of the Johannine works.

The Second Epistle of Peter is an epistle of the New Testament, and it identifies the author as "Simon Peter, a bondservant and apostle of Jesus Christ."

The First Epistle of Peter is a book of the New Testament. The author presents himself as Peter the Apostle. The ending of the letter includes a statement that implies that it was written from “Babylon”, which may be a reference to Rome.

The Epistle of James is a general epistle and one of the 21 epistles in the New Testament. James 1:1 identifies the author as "James, a servant of God and of the Lord Jesus Christ" who is writing to "the twelve tribes scattered abroad

The Epistle to the Hebrews is one of the books of the New Testament. The text does not mention the name of its author, but was traditionally attributed to Paul the Apostle.

The Epistle to Philemon is one of the books of the Christian New Testament. It is a prison letter, co-authored by Paul the Apostle with Timothy, to Philemon, a leader in the Colossian church. It deals with the themes of forgiveness and reconciliation.

The Epistle to Titus is one of the three pastoral epistles in the New Testament, historically attributed to Paul the Apostle. It is addressed to Saint Titus and describes the requirements and duties of presbyters/bishops.

The Second Epistle to Timothy is one of the three pastoral epistles traditionally attributed to Paul the Apostle. Addressed to Timothy, a fellow missionary, it is traditionally considered to be the last epistle he wrote before his death.