The homologoumena in eight months or eight weeks

As those books of the New Testament that the early church universally recognized as apostolic, the homologoumena contain all essential Christian doctrine:

1. the gospel according to John, 1 John;
2. Romans, 1 Corinthians;
3. the gospel according to Luke;
4. the Acts of the Apostles;
   
5. 2 Corinthians, Galatians, Ephesians, Philippians;
6. the gospel according to Mark, 1 Peter;
   
7. Colossians, 1 Thessalonians, 2 Thessalonians, 1 Timothy, 2 Timothy, Titus, Philemon;
8. the gospel according to Matthew.

Useful information on canonicity is provided by F. Pieper (1950) Christian Dogmatics, Volume I, Concordia Publishing House.

Quick introduction to the gospel accounts