• Decorated initial 'I'(n)., Voyage d'outre mer in Middle English

of a vessel, 15th-16th century (ff. 14v, 17v).Inscribed names of some members of the Osborne family: Harry, William, Anthony, Raff, John, and Thomas, 16th century? (f. 2).Edward Banister, recusant and patron of the arts, inscribed with his name (f. 1).John

• Illuminated initial 'A'(d honorem) at the beginning of John Somer's preface., Astronomical Calendar

Illuminated initial 'A'(d honorem) at the beginning of John Somer's preface. Part 2 contains a preface by John Somer (ff. 1-2v), and a calendar (ff. 3v-9). The Psalter section (Part 1) includes a litany (ff. 138-143) and the Office of

• Decorated initial 'H'(unc) with the John Beaver's initials, 'IB', in gold, at the start of the inscription, stating that Lord John Beaver, monk of St. Albans, had the manuscript made, and that with the permission of John Whethamstede, the abbot (1420-1440), he has given it to God, the Virgin Mary, and the church of St. Alban. This is followed by an anathema and a list of the contents., Liber de exemplis sacre scripture; Commentary on Wisdom; Commentary on Proverbs; Commentary on Ecclesiasticus

initial 'H'(unc) with the John Beaver's initials, 'IB', in gold, at the start of the inscription, stating that Lord John Beaver, monk of St. Albans, had the manuscript made, and that with the permission of John Whethamstede, the abbot (1420-1440),

• Decorated Initial 'C'., Theological miscellany relating to the Great Schism and to the power of the pope and ecclesiastical councils, including Waleys's 'Communiloquium sive Summa collationum ad omne genus hominum' (ff. 1-127v), Trevet's 'De officio missae' (ff. 128-155), Pierre d'Ailly's 'Tractatus super reformatione ecclesiae' (ff. 167-173v), Fakenham's 'Determinatio de sedando schismate' and 'Conclusiones' (ff. 188-196, 196-196v), and texts relating to the Council of Basel of 1432 (ff. 156-166, 173, 175v)

manuscripts form one of the foundation collections of the British Library. Decorated initial and border John Gobych John Gobych John Waleys (index John of Wales, John Wallensis, Johannes Vallensis), Nicholas Trevet (index Nicholaus Trevet), Pierre d'Ailly (index Petrus Aliacensis, Petrus

• Decorated initial with a leaf pattern., Collection of alchemical secrets

alchemical symbols (ff. 17v-20; 30-37; 50v-51v; 65-66, 72v-75v; 89v).John Somers (b. 1651, d. 1716), Baron Somers, lawyer and politician: inscribed 'John Somers' (f. 76v).Sir Hans Sloane (b. 1660, d. 1753), baronet, physician and collector. Purchased as part of the Sloane

• Drawings of various surgical procedures for fistula in ano in John Arderne's Liber Medicinarum., Liber Medicinarum

for fistula in ano in John Arderne's Liber Medicinarum. Large initials in red. Paraphs in red. Highlighting of letters in red. Line-fillers in red. Drawings in brown, red, yellow and/or green, 1 also with blue (f. 85v), often of plants

• Detail of a marginal drawing of a bell in John Arderne's Liber Medicinarum., Liber Medicinarum

drawing of a bell in John Arderne's Liber Medicinarum. Large initials in red. Paraphs in red. Highlighting of letters in red. Line-fillers in red. Drawings in brown, red, yellow and/or green, 1 also with blue (f. 85v), often of plants

• Detail of a marginal drawing of a plant in John Arderne's Liber Medicinarum., Liber Medicinarum

drawing of a plant in John Arderne's Liber Medicinarum. Large initials in red. Paraphs in red. Highlighting of letters in red. Line-fillers in red. Drawings in brown, red, yellow and/or green, 1 also with blue (f. 85v), often of plants

• Marginal drawings of an animal face, a woman's head, and a medical procedure, in John Arderne's Liber Medicinarum., Liber Medicinarum

woman's head, and a medical procedure, in John Arderne's Liber Medicinarum. Large initials in red. Paraphs in red. Highlighting of letters in red. Line-fillers in red. Drawings in brown, red, yellow and/or green, 1 also with blue (f. 85v), often

• Detail of a marginal drawing of a coat of arms with three birds in John Arderne's Liber Medicinarum., Liber Medicinarum

coat of arms with three birds in John Arderne's Liber Medicinarum. Large initials in red. Paraphs in red. Highlighting of letters in red. Line-fillers in red. Drawings in brown, red, yellow and/or green, 1 also with blue (f. 85v), often

• Detail of a marginal drawing of a plant in John Arderne's Liber Medicinarum., Liber Medicinarum

drawing of a plant in John Arderne's Liber Medicinarum. Large initials in red. Paraphs in red. Highlighting of letters in red. Line-fillers in red. Drawings in brown, red, yellow and/or green, 1 also with blue (f. 85v), often of plants

• Detail of a marginal drawing in John Arderne's Liber Medicinarum., Liber Medicinarum

marginal drawing in John Arderne's Liber Medicinarum. Large initials in red. Paraphs in red. Highlighting of letters in red. Line-fillers in red. Drawings in brown, red, yellow and/or green, 1 also with blue (f. 85v), often of plants or body

• Drawing of a chaplain with a growth on his chest in John Arderne's Liber Medicinarum., Liber Medicinarum

a growth on his chest in John Arderne's Liber Medicinarum. Large initials in red. Paraphs in red. Highlighting of letters in red. Line-fillers in red. Drawings in brown, red, yellow and/or green, 1 also with blue (f. 85v), often of

• Detail of a chaplain with a growth on his chest in John Arderne's Liber Medicinarum., Liber Medicinarum

a growth on his chest in John Arderne's Liber Medicinarum. Large initials in red. Paraphs in red. Highlighting of letters in red. Line-fillers in red. Drawings in brown, red, yellow and/or green, 1 also with blue (f. 85v), often of

• Detail of a seated man holding out his arm in John Arderne's Liber Medicinarum., Liber Medicinarum

holding out his arm in John Arderne's Liber Medicinarum. Large initials in red. Paraphs in red. Highlighting of letters in red. Line-fillers in red. Drawings in brown, red, yellow and/or green, 1 also with blue (f. 85v), often of plants

• Drawing of a seated man holding out his arm in John Arderne's Liber Medicinarum., Liber Medicinarum

holding out his arm in John Arderne's Liber Medicinarum. Large initials in red. Paraphs in red. Highlighting of letters in red. Line-fillers in red. Drawings in brown, red, yellow and/or green, 1 also with blue (f. 85v), often of plants

• Detail of a marginal drawing of a seated tonsured man with a sore on his penis in John Arderne's Liber Medicinarum., Liber Medicinarum

tonsured man with a sore on his penis in John Arderne's Liber Medicinarum. Large initials in red. Paraphs in red. Highlighting of letters in red. Line-fillers in red. Drawings in brown, red, yellow and/or green, 1 also with blue (f.

• Detail of a marginal drawing of a seated tonsured man with a sore on his penis in John Arderne's Liber Medicinarum., Liber Medicinarum

tonsured man with a sore on his penis in John Arderne's Liber Medicinarum. Large initials in red. Paraphs in red. Highlighting of letters in red. Line-fillers in red. Drawings in brown, red, yellow and/or green, 1 also with blue (f.

• Detail of a drawing of a man on crutches in John Arderne's Liber Medicinarum., Liber Medicinarum

a man on crutches in John Arderne's Liber Medicinarum. Large initials in red. Paraphs in red. Highlighting of letters in red. Line-fillers in red. Drawings in brown, red, yellow and/or green, 1 also with blue (f. 85v), often of plants

• Detail of a drawing of a man on crutches in John Arderne's Liber Medicinarum., Liber Medicinarum

a man on crutches in John Arderne's Liber Medicinarum. Large initials in red. Paraphs in red. Highlighting of letters in red. Line-fillers in red. Drawings in brown, red, yellow and/or green, 1 also with blue (f. 85v), often of plants