See Hymn Suggestions for this feast for more information about the readings and seasonal notes about this day, and links to other weeks.
Christ Handing the Keys to St. Peter
By Pietro Perugino (1481-82) - Fresco, Sistine Chapel, Vatican.
Saint Peter and Saint Paul
José de Ribera [Public domain], via Wikimedia Commons
Stained glass window, The Church of Sts Peter and Paul
© Maigheach-gheal and licensed for reuse under this Creative Commons Licence
Original image: http://www.geograph.org.uk/photo/2707475
Original file: https://en.wikipedia.org/wiki/File:Petrus_et_Paulus_4th_century_etching.JPG#filelinks