Works (Subscribe)
Links
Quo Primum
http://www.papalencyclicals.net/Pius05/p5quopri.htm
Apostolic Constitution, issued 14 July, 1570. About using the recently revised Missal as a standard.
Consueverunt Romani (Excerpt)
http://www.papalencyclicals.net/Pius05/p5consue.htm
About praying the Rosary.