These are arranged by Liturgical order. 
5th Easter C 2013- John 13: 31-35 (P) means that the homily is for the:
- 5th Sunday of Easter
- Cycle C 2013 and using the
- Gospel of John,
- Chapter 13, Verses 31-35
- and (Ch) = Church story       [ (P) = Police Story; (F) = Family Story ]