The Martyrology and the Bridgettine calendar Material relating to the liturgical calendar of feast days followed by the community, including: - a typescript document describing the variations of the 'Bridgettine Calendar' from the 'Ordo Recitandi' of the Plymouth Diocese; - a file containing a typescript document of the Syon Abbey 'Kalendarium Pepetuum in Usum' and a typescript document relating to the Feast Day of St Bridget; - a file of papers relating to the Syon Abbey 'Kalendarium Perpetuum in Usum; - a manuscript transcript of 'The Bridgettine Calendar', divided into the 12 months of the year; - a typescript transcript of the Syon 'Martyologium' held at the British Library (BL reference: Add MS 22285); - a small volume entitled 'Supplementum Ad Martyrologium Romanum Pro Sanctorum Ellogiis', printed in 1819, with manuscript additions; - and a volume entitled 'The Easter Martyrology', containing an illuminated manuscript transcript of the martyrology for Easter. 1819-20th century