• Text page with the ownership inscription of the Cistercian abbey of St Mary, Margam, Glamorganshire, reading 'Liber monacho[rum] s[an]c[t]e / marie de margan.', Gesta regum Anglorum and Historia novella; Historia regum Britanniae

bifolium signatures; guide letters and instructions for rubrics; parchment tabs. Large initials in blue or red, some with penwork decoration. Smaller initials in red, brown, or blue. Gesta regum Anglorum and Historia novella; Historia regum Britanniae The Cistercian abbey of

• Decorated initial 'R'(es)., Gesta regum Anglorum and Historia novella; Historia regum Britanniae

bifolium signatures; guide letters and instructions for rubrics; parchment tabs. Large initials in blue or red, some with penwork decoration. Smaller initials in red, brown, or blue. Gesta regum Anglorum and Historia novella; Historia regum Britanniae The Cistercian abbey of

• Two decorated initials 'S' and 'W'., Gesta regum Anglorum and Historia novella; Historia regum Britanniae

bifolium signatures; guide letters and instructions for rubrics; parchment tabs. Large initials in blue or red, some with penwork decoration. Smaller initials in red, brown, or blue. Gesta regum Anglorum and Historia novella; Historia regum Britanniae The Cistercian abbey of

• Detail of an inhabited initial 'I'(nitium) at the beginning of Mark, with roundels representing the four evangelist symbols: the eagle of John, the winged man of Matthew, the winged bull of Luke, and the winged lion of Mark, with the the Lamb of God in the centre., Glossed Gospel of Mark

Mark (f. 6). 1 large initial in gold on a blue ground with colours and foliate decoration at the beginning of the prologue to Mark (f. 3). Small initials in blue or red, a few with simple decoration in the

• null, 'Scutum Bede', a collection of Latin treatises, including a Libellus de nominibus naturalium rerum (ff. 155v-165)

black, or blue, many with penwork decoration in another colour or colours, 2 with a face (ff. 48v, 93v). 3 initials in purple with red penwork decoration (ff. 64, 67v, 71). Small initials in red, green, or blue. Some highlighting

• null, 'Scutum Bede', a collection of Latin treatises, including a Libellus de nominibus naturalium rerum (ff. 155v-165)

black, or blue, many with penwork decoration in another colour or colours, 2 with a face (ff. 48v, 93v). 3 initials in purple with red penwork decoration (ff. 64, 67v, 71). Small initials in red, green, or blue. Some highlighting

• null, 'Scutum Bede', a collection of Latin treatises, including a Libellus de nominibus naturalium rerum (ff. 155v-165)

black, or blue, many with penwork decoration in another colour or colours, 2 with a face (ff. 48v, 93v). 3 initials in purple with red penwork decoration (ff. 64, 67v, 71). Small initials in red, green, or blue. Some highlighting

• null, 'Scutum Bede', a collection of Latin treatises, including a Libellus de nominibus naturalium rerum (ff. 155v-165)

black, or blue, many with penwork decoration in another colour or colours, 2 with a face (ff. 48v, 93v). 3 initials in purple with red penwork decoration (ff. 64, 67v, 71). Small initials in red, green, or blue. Some highlighting

• null, 'Scutum Bede', a collection of Latin treatises, including a Libellus de nominibus naturalium rerum (ff. 155v-165)

black, or blue, many with penwork decoration in another colour or colours, 2 with a face (ff. 48v, 93v). 3 initials in purple with red penwork decoration (ff. 64, 67v, 71). Small initials in red, green, or blue. Some highlighting

• null, 'Scutum Bede', a collection of Latin treatises, including a Libellus de nominibus naturalium rerum (ff. 155v-165)

black, or blue, many with penwork decoration in another colour or colours, 2 with a face (ff. 48v, 93v). 3 initials in purple with red penwork decoration (ff. 64, 67v, 71). Small initials in red, green, or blue. Some highlighting

• null, 'Scutum Bede', a collection of Latin treatises, including a Libellus de nominibus naturalium rerum (ff. 155v-165)

black, or blue, many with penwork decoration in another colour or colours, 2 with a face (ff. 48v, 93v). 3 initials in purple with red penwork decoration (ff. 64, 67v, 71). Small initials in red, green, or blue. Some highlighting

• Decorated initial 'P'(aulus), from a fragment of a 12th-century copy of 1 Thessalonians., Fragments of a glossed Bible of 1 Thessalonians 2:13-3:3 (f. 50); 5:2-5:15 (f. 51); 5:17-2 Thessalonians 1:3 (f. 52); Philippians 2:22-3:5.

tropes). Musical notation: square notation on four-line red staves. 1 large decorated initial in blue, green, red and yellow (f. 52v). Small initials in red, blue and green. Fragments of a glossed Bible of 1 Thessalonians 2:13-3:3 (f. 50); 5:2-5:15

• Detail of decorated initial 'P'(aulus), from a fragment of a 12th-century copy of 1 Thessalonians., Fragments of a glossed Bible of 1 Thessalonians 2:13-3:3 (f. 50); 5:2-5:15 (f. 51); 5:17-2 Thessalonians 1:3 (f. 52); Philippians 2:22-3:5.

tropes). Musical notation: square notation on four-line red staves. 1 large decorated initial in blue, green, red and yellow (f. 52v). Small initials in red, blue and green. Fragments of a glossed Bible of 1 Thessalonians 2:13-3:3 (f. 50); 5:2-5:15

• Zoomorphic initial formed of a dragon and foliage. The inscription in reddish ink in the lower margin states that it is from Glastonbury Abbey, and names 'Robertus Wottone', one of its monks., Homiliary

Abbey, and names 'Robertus Wottone', one of its monks. Large zoomorophic initial in green, red, brown, and blue (f. 1). Initials in blue, red, brown, or green, some with penwork decoration in the same colour or in another colour or

• Decorated initial 'P'(ost), with later underlining and marginal notations., Homiliary

Decorated initial 'P'(ost), with later underlining and marginal notations. Large zoomorophic initial in green, red, brown, and blue (f. 1). Initials in blue, red, brown, or green, some with penwork decoration in the same colour or in another colour or

• Decorated initials 'D'(um) and 'B'(ritannia) with penwork decoration and reserved lines, at the beginning of Geoffrey of Monmouth's Historia regum Britanniae; one line filler; in the upper margin the number '39' inscribed by Sir Simonds d'Ewes., Historia regum Britanniae (index Gesta Britonum)

(consecutive letters).Geoffrey of Monmouth died in 1154. 1 large initial in blue, with light brown, red and green (f. 3). Large initials in light brown, red, green or blue, occasionally with reserved line or minor penwork decoration in the same

• Calendar with diagrams of lunar eclipses., Scientific miscellany, including a calendar (from 1387 to 1462) (ff. 2-14), Canon minoris calendarii and Canon majoris calendarii by John Somer (ff. 16-18), treatise on the use of the astrolabe attributed to Simon de Bredon (ff. 24v-28), various other astrological tables and treatises

the movements of the moon (f. 29). Large initials in blue with red pen-flourishing. Smaller initials in red with brown penwork decoration. Plain initials in red. Paraphs in red or blue. Capitals marked in red. Scientific miscellany, including a calendar

• Historiated initial 'D'(ominus) with king David pointing at his eyes at the beginning of Psalm 26., Psalter, imperfect, beginning in Psalm 16

(a larger initial at the beginning of Psalm 21 (f. 11v)). Initials in gold with blue or red pen-flourishing. Line-fillers in gold, red and blue. Coloured initials in red. Psalter, imperfect, beginning in Psalm 16 ?Added litany including Livine, Servati,

• Large initial 'H'(umano) with foliate decoration, flowers and besants and, in the lower margin, wreath enclosing unidentified arms, also surrounded by foliate decoration and flowers, Ars poetica (ff. 1-10); Sermones (index Satires) (ff. 10v-52v); Epistulae (ff. 53-83v)

1). Large initial in colours and gold with foliate decoration, flowers and besants (f. 53). Coloured initials in blue. Smaller initial in blue with penwork decoration in red (f. 18v). Ars poetica (ff. 1-10); Sermones (index Satires) (ff. 10v-52v); Epistulae

• Decorated initial 'O'(mnipotens) and musical notation., Pontifical

contemporary hand including Secundiane, Viriane, Marcelliane, Iuste, Blasi, Brixti, and Egidi (ff. 86-87). Initials with white foliage on a pale blue, dark blue/green, dark purple and red ground (ff. 1 (damaged), 2v, 3v, 11, 14v, 17v, 20, 21v, 34v, 48,