• Marginal image of a pennant on a wheeled base, the stand surmounted by a cross, and the decorated initials 'A'(nno) and 'P'(roceres)., Annales

and politician.Henry Howard (b. 1628, d. 1684), 6th duke of Norfolk, presented to the Royal Society in 1667.The Royal Society, London: its ink stamp 'Soc. Reg. Lond / ex dono HENR. HOWARD / Norfolciensis.' (f. 1); its book-plate (inside upper

• 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)

(f. 1).Henry Howard (b. 1628, d. 1684), 6th duke of Norfolk, presented to the Royal Society in 1667.The Royal Society, London (its ink stamp: 'Soc. Reg. Lond / ex dono HENR. HOWARD / Norfolciensis.', f. 1).Purchased by the British Museum

• 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)

(f. 1).Henry Howard (b. 1628, d. 1684), 6th duke of Norfolk, presented to the Royal Society in 1667.The Royal Society, London (its ink stamp: 'Soc. Reg. Lond / ex dono HENR. HOWARD / Norfolciensis.', f. 1).Purchased by the British Museum

• Decorated initial 'Q'(uoniam) with a human face, and coloured initial 'M'., Miscellany, including Liber Hermetis de alchimia (ff. 155-157); Liber triginta verborum (ff. 164-166); De duodecim aquis (ff. 166v-167v); and De naturis colorum iuxta Aristotelem 70 preceptorum (ff. 185v-186).

and politician.Henry Howard (b. 1628, d. 1684), 6th duke of Norfolk, presented to the Royal Society in 1667.The Royal Society, London (its ink stamp: 'Soc. Reg. Lond / ex dono HENR. HOWARD / Norfolciensis.', f. 5, pencil inscription: 'XIV 7-16',

• Decorated initial 'H'(enricus) at the beginning of a charter to St Albans from Henry V, with fleurs-de-lys, a lion's head, and a coronet., St Albans register of properties

and politician.Henry Howard (b. 1628, d. 1684), 6th duke of Norfolk, presented to the Royal Society in 1667.The Royal Society, London (its ink stamp: 'Soc. Reg. Lond / ex dono HENR. HOWARD / Norfolciensis.', f. 1).Purchased by the British Museum

• Decorated initial 'R'(everentissimo), and in the upper margin, the ownership inscriptions of Thomas Fytton and Philip Mainwaring., In Lucam

Mainwaring of Over Peover, Philip's grandfather.Sir Henry Mainwaring (b. 1726, d. 1797), 4th baronet.: his book-plate (inside upper cover).Joseph Lilly, London bookseller: purchased by the British Museum at the Lilly sale, 27 January 1873, lot 1375 for £14 using the

• 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)

and politician.Henry Howard (b. 1628, d. 1684), 6th duke of Norfolk, presented to the Royal Society in 1667.The Royal Society, London (its ink stamp: 'Soc. Reg. Lond / ex dono HENR. HOWARD / Norfolciensis.', f. 1; its book-plate with the

• Decorated initial 'A'(stronomie)., Aretea, extract from De natura deorum (f. 95v); Liber iudicum (ff. 75-84), and other texts

and politician.Henry Howard (b. 1628, d. 1684), 6th duke of Norfolk, presented to the Royal Society in 1667.The Royal Society, London: its ink stamp 'Soc. Reg. Lond / ex dono HENR. HOWARD / Norfolciensis.' (f. 1).Purchased by the British Museum

• Puzzle initial 'P'(ost) at the beginning of Judges with chapter numbers in the margins., Bible; Interpretationes nominum Hebreorum, imperfect (ff. 277-300v)

and politician.Henry Howard (b. 1628, d. 1684), 6th duke of Norfolk, presented to the Royal Society in 1667.The Royal Society, London (its ink stamp: 'Soc. Reg. Lond / ex dono HENR. HOWARD / Norfolciensis.', f. 2; its book-plate with the

• Puzzle initial 'H'(ec) at the beginning of Deuteronomy, with chapter numbers in the margins., Bible; Interpretationes nominum Hebreorum, imperfect (ff. 277-300v)

and politician.Henry Howard (b. 1628, d. 1684), 6th duke of Norfolk, presented to the Royal Society in 1667.The Royal Society, London (its ink stamp: 'Soc. Reg. Lond / ex dono HENR. HOWARD / Norfolciensis.', f. 2; its book-plate with the

• 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)

(f. 1).Henry Howard (b. 1628, d. 1684), 6th duke of Norfolk, presented to the Royal Society in 1667.The Royal Society, London (its ink stamp: 'Soc. Reg. Lond / ex dono HENR. HOWARD / Norfolciensis.', f. 1).Purchased by the British Museum

• 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)

(f. 1).Henry Howard (b. 1628, d. 1684), 6th duke of Norfolk, presented to the Royal Society in 1667.The Royal Society, London (its ink stamp: 'Soc. Reg. Lond / ex dono HENR. HOWARD / Norfolciensis.', f. 1).Purchased by the British Museum

• Historiated initial 'D'(eus) with a man standing in a doorway welcoming the sun, at the beginning of Prime. On the upper bar border are a hybrid creature, and a centaur shooting an arrow at a rabbit., Book of Hours, including Hours of the Holy Spirit and of the Passion

159, 159v).A circular heraldic bookplate ? has been removed from f. [6b] v.Thomas Rodd the younger (b. 1796, d. 1849), London bookseller; purchased from him by the British Museum on 9 December 1848 using the Farnborough Fund (£3,000 bequeathed in

• Historiated initial 'D'(eus) of a man making a bed (?) with the Holy Spirit in the form of a dove, with hybrid creatures in the border and one in the decorated intial 'B'(eati), at the beginning of Compline in the Hours of the Holy Spirit., Book of Hours, including Hours of the Holy Spirit and of the Passion

159, 159v).A circular heraldic bookplate ? has been removed from f. [6b] v.Thomas Rodd the younger (b. 1796, d. 1849), London bookseller; purchased from him by the British Museum on 9 December 1848 using the Farnborough Fund (£3,000 bequeathed in

• Marginal drawings of a bear and a snake., Miscellany, including De institutione arithmetica (ff. 1v-31), Astronomica (ff. 71v-89v). Guido d’Arezzo: Micrologus (ff. 98-104), Regulae rhythmicae (ff. 104-106), Prologus in Antiphonarium (ff. 106-107), Epistola ad Michaelem (ff. 107-109v). Anonymous: ‘Mensura Fistularum’ [Inc. “Fistularum mensuram ut a quibusdam…”] (ff. 109v-110), ‘Mensura Organistri’ [Inc. “Organicam quicumque liram…”] (f. 110), Commentary (ff. 121-151).

and politician.Henry Howard (b. 1628, d. 1684), 6th duke of Norfolk, presented to the Royal Society in 1667.The Royal Society, London: its ink stamp: 'Soc. Reg. Lond / ex dono HENR. HOWARD / Norfolciensis.' (f. 2); its book-plate (inside upper

• Marginal drawing of a man with a halo., Miscellany, including De institutione arithmetica (ff. 1v-31), Astronomica (ff. 71v-89v). Guido d’Arezzo: Micrologus (ff. 98-104), Regulae rhythmicae (ff. 104-106), Prologus in Antiphonarium (ff. 106-107), Epistola ad Michaelem (ff. 107-109v). Anonymous: ‘Mensura Fistularum’ [Inc. “Fistularum mensuram ut a quibusdam…”] (ff. 109v-110), ‘Mensura Organistri’ [Inc. “Organicam quicumque liram…”] (f. 110), Commentary (ff. 121-151).

and politician.Henry Howard (b. 1628, d. 1684), 6th duke of Norfolk, presented to the Royal Society in 1667.The Royal Society, London: its ink stamp: 'Soc. Reg. Lond / ex dono HENR. HOWARD / Norfolciensis.' (f. 2); its book-plate (inside upper

• Marginal drawing of a star., Miscellany, including De institutione arithmetica (ff. 1v-31), Astronomica (ff. 71v-89v). Guido d’Arezzo: Micrologus (ff. 98-104), Regulae rhythmicae (ff. 104-106), Prologus in Antiphonarium (ff. 106-107), Epistola ad Michaelem (ff. 107-109v). Anonymous: ‘Mensura Fistularum’ [Inc. “Fistularum mensuram ut a quibusdam…”] (ff. 109v-110), ‘Mensura Organistri’ [Inc. “Organicam quicumque liram…”] (f. 110), Commentary (ff. 121-151).

and politician.Henry Howard (b. 1628, d. 1684), 6th duke of Norfolk, presented to the Royal Society in 1667.The Royal Society, London: its ink stamp: 'Soc. Reg. Lond / ex dono HENR. HOWARD / Norfolciensis.' (f. 2); its book-plate (inside upper

• Marginal drawing of Hercules., Miscellany, including De institutione arithmetica (ff. 1v-31), Astronomica (ff. 71v-89v). Guido d’Arezzo: Micrologus (ff. 98-104), Regulae rhythmicae (ff. 104-106), Prologus in Antiphonarium (ff. 106-107), Epistola ad Michaelem (ff. 107-109v). Anonymous: ‘Mensura Fistularum’ [Inc. “Fistularum mensuram ut a quibusdam…”] (ff. 109v-110), ‘Mensura Organistri’ [Inc. “Organicam quicumque liram…”] (f. 110), Commentary (ff. 121-151).

and politician.Henry Howard (b. 1628, d. 1684), 6th duke of Norfolk, presented to the Royal Society in 1667.The Royal Society, London: its ink stamp: 'Soc. Reg. Lond / ex dono HENR. HOWARD / Norfolciensis.' (f. 2); its book-plate (inside upper

• Marginal drawing of a lyre., Miscellany, including De institutione arithmetica (ff. 1v-31), Astronomica (ff. 71v-89v). Guido d’Arezzo: Micrologus (ff. 98-104), Regulae rhythmicae (ff. 104-106), Prologus in Antiphonarium (ff. 106-107), Epistola ad Michaelem (ff. 107-109v). Anonymous: ‘Mensura Fistularum’ [Inc. “Fistularum mensuram ut a quibusdam…”] (ff. 109v-110), ‘Mensura Organistri’ [Inc. “Organicam quicumque liram…”] (f. 110), Commentary (ff. 121-151).

and politician.Henry Howard (b. 1628, d. 1684), 6th duke of Norfolk, presented to the Royal Society in 1667.The Royal Society, London: its ink stamp: 'Soc. Reg. Lond / ex dono HENR. HOWARD / Norfolciensis.' (f. 2); its book-plate (inside upper

• Marginal figures of constellations personified as human figures., Miscellany, including De institutione arithmetica (ff. 1v-31), Astronomica (ff. 71v-89v). Guido d’Arezzo: Micrologus (ff. 98-104), Regulae rhythmicae (ff. 104-106), Prologus in Antiphonarium (ff. 106-107), Epistola ad Michaelem (ff. 107-109v). Anonymous: ‘Mensura Fistularum’ [Inc. “Fistularum mensuram ut a quibusdam…”] (ff. 109v-110), ‘Mensura Organistri’ [Inc. “Organicam quicumque liram…”] (f. 110), Commentary (ff. 121-151).

and politician.Henry Howard (b. 1628, d. 1684), 6th duke of Norfolk, presented to the Royal Society in 1667.The Royal Society, London: its ink stamp: 'Soc. Reg. Lond / ex dono HENR. HOWARD / Norfolciensis.' (f. 2); its book-plate (inside upper