Those of you who are interested in the Use of Sarum, or use it, can find the liturgical calendar on The Sarum Rite, a site run by Dr William Renwick, a Canadian professor of music. I quote his introduction to the calendar:
The Kalendar appearing here contains in the third column the information provided in the printed Sarum Kalendars such as that found at the front of the Breviarium 1531. In the fourth column appears the information found in the Pica which appear scattered throughout the Breviarium. Generally speaking the latter takes precedence over the former where they differ. This Kalendar is provided firstly as a guide to those who wish to follow the Sarum Liturgical Kalendar throughout the course of the year, and secondly for those who wish to gain an understanding of the nature of a typical Sarum or pre-Tridentine liturgical year. These Kalendars follow the Gregorian or Western calendar rather than the Julian calendar.
These calendars start from January 1st, not from the first Sunday of Advent. For this reason, if you don’t already have it, you need to start this new liturgical year from 27th November of the 2016 calendar.
The Blue Flower 
Thank you – very interesting! If you’ve drawn this site to our attention before, I wasn’t paying proper attention at the time!
I write monthly notes for a church newsletter, and, reading up, sometimes encounter references to someone having been on the Sarum calendar – its splendid to be able now to browse it month by month!