• Detail of a drawing of a hybrid with the head of a woman, the legs of a horse, and the tail of a fish, within two concentric circles, preceding Horace's Ars Poetica., Ars Poetica, Sermones, Epistulae, and a Life of Horace, with glosses

scholar, recorded in lists in Harley 6018, f. 159v, and Additional 35213, ff. 34-34v (see Colin 1992). The Old Royal Library (the English Royal Library): royal seal of a ship, 17th century (f. 2); inscribed 'Codex Bibliothecae Regiae Jacobi'; included

• Drawing of a hybrid with the head of a woman, the legs of a horse, and the tail of a fish, within two concentric circles, preceding Horace's Ars Poetica., Ars Poetica, Sermones, Epistulae, and a Life of Horace, with glosses

scholar, recorded in lists in Harley 6018, f. 159v, and Additional 35213, ff. 34-34v (see Colin 1992). The Old Royal Library (the English Royal Library): royal seal of a ship, 17th century (f. 2); inscribed 'Codex Bibliothecae Regiae Jacobi'; included

• Decorated initial 'H'(umano), at the beginning of Horace's Ars Poetica, with two ownership inscriptions of Sir Robert Cotton, reading 'Robertus Cotton' at top and 'Robertus Cotton Bruceus' at bottom., Ars Poetica, Sermones, Epistulae, and a Life of Horace, with glosses

scholar, recorded in lists in Harley 6018, f. 159v, and Additional 35213, ff. 34-34v (see Colin 1992). The Old Royal Library (the English Royal Library): royal seal of a ship, 17th century (f. 2); inscribed 'Codex Bibliothecae Regiae Jacobi'; included

• Detail of a bas-de-page scene of a woman setting a windmill on fire; the miller peeps out from his doorway., Decretals of Gregory IX with glossa ordinaria (the 'Smithfield Decretals')

priory of St Bartholomew's at Smithfield: inscribed, 'Liber domus sancti barthomomei in smyth fylde', 15th century (f. 1v).The Old Royal Library (the English Royal Library): Henrician title 'Decretales' and Westminster inventory number 'no. 1059' (f. 1), acquired by the Upper

• Diagram with decorated bands., De institutione musica; a miscellany of works on geometry, astronomy and mathematics

with other 311 manuscripts from Theyer's library.Presented to the British Museum by George II in 1757 as part of the Old Royal Library. Diagram Boethius; Hermannus Contractus (index Hermann of Reichenau, Hermannus Augiensis), Gerbert of Aurillac (index Sylvester II) France

• Text page with table and marginal drawing., De institutione musica; a miscellany of works on geometry, astronomy and mathematics

with other 311 manuscripts from Theyer's library.Presented to the British Museum by George II in 1757 as part of the Old Royal Library. Text page Boethius; Hermannus Contractus (index Hermann of Reichenau, Hermannus Augiensis), Gerbert of Aurillac (index Sylvester II)

• Text page with marginal gloss., De institutione musica; a miscellany of works on geometry, astronomy and mathematics

with other 311 manuscripts from Theyer's library.Presented to the British Museum by George II in 1757 as part of the Old Royal Library. Text page Boethius; Hermannus Contractus (index Hermann of Reichenau, Hermannus Augiensis), Gerbert of Aurillac (index Sylvester II)

• Text page with diagram of astrolabe., De institutione musica; a miscellany of works on geometry, astronomy and mathematics

with other 311 manuscripts from Theyer's library.Presented to the British Museum by George II in 1757 as part of the Old Royal Library. Text page with diagram Boethius; Hermannus Contractus (index Hermann of Reichenau, Hermannus Augiensis), Gerbert of Aurillac (index

• Text page with diagram., De institutione musica; a miscellany of works on geometry, astronomy and mathematics

with other 311 manuscripts from Theyer's library.Presented to the British Museum by George II in 1757 as part of the Old Royal Library. Text page Boethius; Hermannus Contractus (index Hermann of Reichenau, Hermannus Augiensis), Gerbert of Aurillac (index Sylvester II)

• Text page with diagram of astrolabe., De institutione musica; a miscellany of works on geometry, astronomy and mathematics

with other 311 manuscripts from Theyer's library.Presented to the British Museum by George II in 1757 as part of the Old Royal Library. Text page Boethius; Hermannus Contractus (index Hermann of Reichenau, Hermannus Augiensis), Gerbert of Aurillac (index Sylvester II)

• Text page with geometrical diagrams., De institutione musica; a miscellany of works on geometry, astronomy and mathematics

with other 311 manuscripts from Theyer's library.Presented to the British Museum by George II in 1757 as part of the Old Royal Library. Text page Boethius; Hermannus Contractus (index Hermann of Reichenau, Hermannus Augiensis), Gerbert of Aurillac (index Sylvester II)

• Text page with mathematical diagrams., De institutione musica; a miscellany of works on geometry, astronomy and mathematics

with other 311 manuscripts from Theyer's library.Presented to the British Museum by George II in 1757 as part of the Old Royal Library. Text page Boethius; Hermannus Contractus (index Hermann of Reichenau, Hermannus Augiensis), Gerbert of Aurillac (index Sylvester II)

• Text page with diagrams of the astrolabe., De institutione musica; a miscellany of works on geometry, astronomy and mathematics

with other 311 manuscripts from Theyer's library.Presented to the British Museum by George II in 1757 as part of the Old Royal Library. Text page Boethius; Hermannus Contractus (index Hermann of Reichenau, Hermannus Augiensis), Gerbert of Aurillac (index Sylvester II)

• Text page with diagram of astrolabe containing a human head., De institutione musica; a miscellany of works on geometry, astronomy and mathematics

with other 311 manuscripts from Theyer's library.Presented to the British Museum by George II in 1757 as part of the Old Royal Library. Text page Boethius; Hermannus Contractus (index Hermann of Reichenau, Hermannus Augiensis), Gerbert of Aurillac (index Sylvester II)

• Text page with diagrams of astrolabe., De institutione musica; a miscellany of works on geometry, astronomy and mathematics

with other 311 manuscripts from Theyer's library.Presented to the British Museum by George II in 1757 as part of the Old Royal Library. Text page Boethius; Hermannus Contractus (index Hermann of Reichenau, Hermannus Augiensis), Gerbert of Aurillac (index Sylvester II)

• Text page., De institutione musica; a miscellany of works on geometry, astronomy and mathematics

with other 311 manuscripts from Theyer's library.Presented to the British Museum by George II in 1757 as part of the Old Royal Library. Text page Boethius; Hermannus Contractus (index Hermann of Reichenau, Hermannus Augiensis), Gerbert of Aurillac (index Sylvester II)

• Marginal diagram., Miscellany works on Computus and astrology

(ff. 150-150v).Inscribed 'Ja. Bonin', 14th century (f. 145v).Inscribed 'De libris J. de Longolio', 15th century (f. 149v).Presented to the British Museum by George II in 1757 as part of the Old Royal Library. Diagram France, Central France, N., or Central

• Marginal diagram with an inscription 'Thule insula'., Miscellany works on Computus and astrology

(ff. 150-150v).Inscribed 'Ja. Bonin', 14th century (f. 145v).Inscribed 'De libris J. de Longolio', 15th century (f. 149v).Presented to the British Museum by George II in 1757 as part of the Old Royal Library. Thule France, Central France, N., or Central

• Initial 'R' with decoration and outline drawing of a flower., Libri evangeliorum quattuor; Aenigmata; De arte metrica (extract)

Initial 'R' with decoration and outline drawing of a flower. Numerous Latin glosses and two OldEnglish glosses (ff. 73, 76v).Text is unjustified at right margins with the following arrangement: ff. 1-59v: bold capitals arranged vertically at the beginning of

• Text page with initial and rubric., Libri evangeliorum quattuor; Aenigmata; De arte metrica (extract)

Text page with initial and rubric. Numerous Latin glosses and two OldEnglish glosses (ff. 73, 76v).Text is unjustified at right margins with the following arrangement: ff. 1-59v: bold capitals arranged vertically at the beginning of linesff. 60-71: bold capitals