• Puzzle initial with pen-flourished decoration extending into the margin., 'Summa super titulis Decretalium', Books 1-5, preceded by 2 added table of contents (ff. 1-2v), and followed by an added prologue to 'Sententiae septem sapientium' (ff. 209v-210) and Theophrastus's 'Aureolus de nuptiis' (ff. 210r-v)

collector and patron of the arts, inscribed as usual by their librarian, Humfrey Wanley, ‘20 die Januarij, A.D. 1721/2’ (f. 1; see Wright and Wright 1966). Edward Harley bequeathed the library to his widow, Henrietta, née Cavendish Holles (b. 1694,

• Historiated initial 'P' of a personification of Faith holding a disc bearing a gold cross, paten, and chalice, and a personification of Faithlessness worshipping an idol, from Guillelmus Alvernus's De moribus., De moribus (second part of De virtutibus et vitiis)

and founder of insurance offices: his stamp (f. 1); probably given to the New Philosophical Institution, founded shortly before his death. The New Philosophical Institution, Beaumont Square, Mile End: stamps (ff. 1, 174v). Sir John Trelawny: his sale, 28 June

• Historiated initial 'S'(pes) of a personification of Hope receiving a gift from God, and a personification of Desparation impaling himself on a sword, from Guillelmus Alvernus's De moribus., De moribus (second part of De virtutibus et vitiis)

and founder of insurance offices: his stamp (f. 1); probably given to the New Philosophical Institution, founded shortly before his death. The New Philosophical Institution, Beaumont Square, Mile End: stamps (ff. 1, 174v). Sir John Trelawny: his sale, 28 June

• Initial 'N'(unc) with pen-flourishing, from Guillelmus Alvernus's De moribus., De moribus (second part of De virtutibus et vitiis)

and founder of insurance offices: his stamp (f. 1); probably given to the New Philosophical Institution, founded shortly before his death. The New Philosophical Institution, Beaumont Square, Mile End: stamps (ff. 1, 174v). Sir John Trelawny: his sale, 28 June

• Historiated initial 'P'(ost) of a personification of Poverty clothing the naked and a personification of Greed stealing (or hoarding) a money bag, from Guillelmus Alvernus's De moribus., De moribus (second part of De virtutibus et vitiis)

and founder of insurance offices: his stamp (f. 1); probably given to the New Philosophical Institution, founded shortly before his death. The New Philosophical Institution, Beaumont Square, Mile End: stamps (ff. 1, 174v). Sir John Trelawny: his sale, 28 June

• Historiated initial 'S' with the Virgin holding the Christ child, at the beginning of Vincent of Beauvais's In laude beate Virginis., Liber de laudibus beatissime Virginis Marie (ff. 1-97) and De Johannis evangelio (ff. 97-111v)

large decorated initials, in colours and gold (ff. 1, 97v). Small initials (2 lines) in red with blue (and red) pen-flourishing or in blue with red (and blue) pen-flourishing. Small initials (1 line) in plain red or blue. Line-fillers decorated

• Large decorated word 'Ulpianus' at the beginning of Justinian's Infortiatum, or the third title of book 24 of the Digest, and below the arms and rebus of John Morton, archbishop of Canterbury., Infortiatum (ff. 1-278v), with Glossa ordinaria by Accursius, with Apostillae (f. 278v); fragment of Dynus de Mugello's De regulis iuris (f. 279r-v), and list of contents (f. 280)

decorated initials with red penwork decoration (ff. 134, 172, 191v, 210, 213v, 235, and 255v). Heraldry and a rebus (f. 1). Large and small blue initials with red penwork decoration or pen-flourishing. Small blue or red initials. Blue or red

• null, Treatise on the Love of God and Man (ends imperfectly)

1 large initial in gold on a red and blue ground, with foliate extensions into the margins (f. 2). Smaller initials in blue with red foliate pen-flourishing. Decorated catchwords. Treatise on the Love of God and Man (ends imperfectly)

• null, Treatise on the Love of God and Man (ends imperfectly)

1 large initial in gold on a red and blue ground, with foliate extensions into the margins (f. 2). Smaller initials in blue with red foliate pen-flourishing. Decorated catchwords. Treatise on the Love of God and Man (ends imperfectly)

• null, Fragment of a legal text

17th-century unilluminated poems by Protestant prisoners. 1 large puzzle initial in red and blue with pen-flourishing in red (f. 2). Paraph marks in plain red or blue. Fragment of a legal text Sir Hans Sloane (b. 1660, d. 1753), baronet,

• Puzzle initial 'E' in a fragment., Fragment of a legal text

are paper, containing 17th-century unilluminated poems by Protestant prisoners. 1 large puzzle initial in red and blue with pen-flourishing in red (f. 2). Paraph marks in plain red or blue. Fragment of a legal text Sir Hans Sloane (b. 1660,

• Puzzle initial 'I'(n), and initials 'S'(cribe) and 'P'(ost), with pen-flourishing, at the beginning of John of Garland's revision of Alexander of Villa Dei's Doctrinale., Miscellany, including Eberhard's Graecismus (ff. 1-42); John of Garland's revision of Alexander of Villa Dei's Doctrinale (ff. 44-93v); Pseudo-Boethius's De disciplina scholarium (ff. 94-113v)

plain red or green. Capital letters highlighted in red. 2 marginal figures in red or green ink (ff. 60v, 68v). 1 line-filler (f. 107v). Spaces for initials left empty (ff. 106v, 108v, 110, 111v, 116v, 118, 121, 122, 123v, 124,

• Initials 'N'(ec) and 'O' with pen-flourishing, at the beginning of Auli Persii Satyrae sex; marginal sketch in the upper margin., Miscellany, including Eberhard's Graecismus (ff. 1-42); John of Garland's revision of Alexander of Villa Dei's Doctrinale (ff. 44-93v); Pseudo-Boethius's De disciplina scholarium (ff. 94-113v)

plain red or green. Capital letters highlighted in red. 2 marginal figures in red or green ink (ff. 60v, 68v). 1 line-filler (f. 107v). Spaces for initials left empty (ff. 106v, 108v, 110, 111v, 116v, 118, 121, 122, 123v, 124,

• Historiated initial 'S' with the Virgin holding the Christ child, at the beginning of Vincent of Beauvais's In laude beate Virginis., Liber de laudibus beatissime Virginis Marie (ff. 1-97) and De Johannis evangelio (ff. 97-111v)

large decorated initials, in colours and gold (ff. 1, 97v). Small initials (2 lines) in red with blue (and red) pen-flourishing or in blue with red (and blue) pen-flourishing. Small initials (1 line) in plain red or blue. Line-fillers decorated

• Puzzle initial 'I'(n), and initial 'S'(cribe) with pen-flourishing, at the beginning of John of Garland's revision of Alexander of Villa Dei's Doctrinale., Miscellany, including Eberhard's Graecismus (ff. 1-42); John of Garland's revision of Alexander of Villa Dei's Doctrinale (ff. 44-93v); Pseudo-Boethius's De disciplina scholarium (ff. 94-113v)

plain red or green. Capital letters highlighted in red. 2 marginal figures in red or green ink (ff. 60v, 68v). 1 line-filler (f. 107v). Spaces for initials left empty (ff. 106v, 108v, 110, 111v, 116v, 118, 121, 122, 123v, 124,

• Initials 'N'(ec) with pen-flourishing, at the beginning of Auli Persii Satyrae sex; marginal sketch in the upper margin., Miscellany, including Eberhard's Graecismus (ff. 1-42); John of Garland's revision of Alexander of Villa Dei's Doctrinale (ff. 44-93v); Pseudo-Boethius's De disciplina scholarium (ff. 94-113v)

plain red or green. Capital letters highlighted in red. 2 marginal figures in red or green ink (ff. 60v, 68v). 1 line-filler (f. 107v). Spaces for initials left empty (ff. 106v, 108v, 110, 111v, 116v, 118, 121, 122, 123v, 124,

• Detail of an historiated initial 'P' of a personification of Faith holding a disc bearing a gold cross, paten, and chalice, and a personification of Faithlessness worshipping an idol, from Guillelmus Alvernus's De moribus., De moribus (second part of De virtutibus et vitiis)

and founder of insurance offices: his stamp (f. 1); probably given to the New Philosophical Institution, founded shortly before his death. The New Philosophical Institution, Beaumont Square, Mile End: stamps (ff. 1, 174v). Sir John Trelawny: his sale, 28 June

• Detail of ownership stamps of John Thomas Barber Beaumont and the Philosophical Institution., De moribus (second part of De virtutibus et vitiis)

and founder of insurance offices: his stamp (f. 1); probably given to the New Philosophical Institution, founded shortly before his death. The New Philosophical Institution, Beaumont Square, Mile End: stamps (ff. 1, 174v). Sir John Trelawny: his sale, 28 June

• Detail of an historiated initial 'S'(pes) of a personification of Hope receiving a gift from God, and a personification of Desparation impaling himself on a sword, from Guillelmus Alvernus's De moribus., De moribus (second part of De virtutibus et vitiis)

and founder of insurance offices: his stamp (f. 1); probably given to the New Philosophical Institution, founded shortly before his death. The New Philosophical Institution, Beaumont Square, Mile End: stamps (ff. 1, 174v). Sir John Trelawny: his sale, 28 June

• Detail of an initial 'N'(unc) with pen-flourishing, from Guillelmus Alvernus's De moribus., De moribus (second part of De virtutibus et vitiis)

and founder of insurance offices: his stamp (f. 1); probably given to the New Philosophical Institution, founded shortly before his death. The New Philosophical Institution, Beaumont Square, Mile End: stamps (ff. 1, 174v). Sir John Trelawny: his sale, 28 June