View of sculpture of Castor or Pollux with horse at base of obelisk from the Fontana dei Dioscuri in the Piazza del Quirinale in Rome, Italy:

• ink sketch on paper
• loose
• 20.2 x 32.7 cm

Coloured lithograph of details from Greek vase by Nikosthenes discovered in Etruria, from the collection of the Marquess of Northampton; published on 23 April 1848 as plate XVI to illustrate "Observations by the Marquess of Northampton, Pres. R.S., F.S.A., upon a Greek vase discovered in Etruria, now in his Lordship's possession, bearing the name of the fabricator Nicosthenes", in Archaeologia: or, Miscellaneous tracts relating to antiquity, published by the Society of Antiquaries of London 32 (1847), p. 255-262:

• multi-coloured (orange, red, black) lithograph
• loose
• 24.3 x 29.4 cm

Three designs from the life of Christ:

• ink sketches on paper
• mounted, together with Bonomi MSS 40.10
• 11.2 x 11.2 cm

Two angels flanking a door, each repeated on either side, in one case mirrored:

• pencil sketch on tracing paper
• mounted, together with Bonomi MSS 40.15-16
• 24.6 x 13.2 cm
• [on sketch] 'JB' (pencil note)

Plato at Heliopolis discoursing on the immortality of the soul with Egyptians and Jews:

• pencil sketch on tracing paper
• loose, adjacent to page 2
• 50.1 x 19.2 cm

Seated female figure with nude male child on her lap:

• pencil drawing on tracing paper
• mounted, together with Bonomi MSS 41.13 and Bonomi MSS 41.15
• 13.8 x 11.1 cm
• [on drawing] 'JB' (pencil note)
• [on mount] '4' (pencil note)

Two mirror views of man using compasses (probably Eratosthenes estimating Earth's circumference):

• pencil sketches on paper
• loose, adjacent to page 7
• 22.7 x 18.0 cm

Seated female figure with nude child on her lap, chasing a bee:

• pencil drawing on tracing paper, mounted on paper
• mounted
• 15.4 x 14.9 cm (21.7 x 16.5 cm with mount)
• [on mount] '9' (pencil note)

Standing shepherd:

• pencil sketch on paper
• mounted
• 13.0 x 15.8 cm

Jesus Christ knocking at door:

• pencil sketch with coloured (brown) pencil details on paper
• mounted
• 19.0 x 25.9 cm

Print with man kneeling at the foot of the cross, angel, and Mary's assumption into Heaven:

• print on paper
• mounted
• 21.6 x 23.4 cm
• [on print] 'Rough Proof' (pencil note)

Note on a marble statue in the collection of Dr Lee of Hartwell and on the artistic representation of the effects of alcohol in the human body:

• pencil text on paper
• loose, adjacent to Bonomi MSS 43.1
• 11.1 x 18.1 cm
• [text] 'Statue of a man sleeping on a / wine skin in Pentelic marble. / S of this proper line long wide This statue in the / collection of Dr Lee of Hartwell is of excellent sculpture and probably / by an Athenian artist since it / is made carved out of a marble found in / the vicinity of Athens. / Very early indeed did the thinking and in / telligent man of antiquity such as poets / painters and sculptors describe and / pourtray each in with admirable truth the effects / of persistant indulgence in alcoholic / beverages on the intellect and on the / external configuration of the human body / X They indeed had more than we have and better'

Reclining figure of Christ(?) [no wounds depicted] :

• pencil drawing on paper
• mounted
• 12.2 x 9.8 cm
• [on drawing] '...(?)' (pencil note)

Semi-circular design of scene from the life of Christ, with three women and child holding hands beneath cross:

• inked pencil sketch on paper
• mounted
• 22.8 x 18.7 cm
• [on sketch] 'JB' (pencil note)

Man in historical costume carrying bride:

• ink, pencil, and carbon drawing on paper
• mounted
• 23.6 x 31.4 cm
• [on drawing] 'Decbr 3d 1828' (ink note)

Portfolio titled 'Designs / JB' (ink)
Pencil note: '3'
Ink table of contents on piece of paper glued to cover:

• '3' (pencil note)
• '1 Sthodart's Canterbury arranged for / sculpture'
• '2 Days of the Week as seals'
• '3'
• '4 5 Ruined Pylon Karnak / Transferred to another book'
• '6 (added over 5) 7 Quarrantine Marseilles / Transferred do do'
• '7 (added over 6) 8 Profile sculpture St Jacques Bruges'
• '8 (added over 7) 9 Outline priest men playing long / trumpets supported on the shoulders / of others'
• '9 (added over 8) 10 Design for Rail road Seal'.

Designs of cavalry:

• partially inked pencil sketch on paper
• mounted
• 23.7 x 30.2 cm
• [on mount] '1' (ink note)

Dancing woman, and unidentified inscription:

• pencil sketch on paper
• mounted, together with Bonomi MSS 44.8 and Bonomi MSS 44.10
• 5.4 x 4.0 cm
• [on mount] '3' (ink note)

Right half of Greek temple pediment:

• pencil sketch on paper
• mounted, together with Bonomi MSS 44.8 and Bonomi MSS 44.9
• 24.3 x 14.3 cm
• [on mount] '3' (ink note)

Europe uniting Asia and America:

• pencil sketch on paper
• mounted
• 26.6 x 32.0 cm
• [on sketch] 'AMERICA' (pencil note)
• [on sketch] 'EVROPA' (pencil note)
• [on sketch] 'ASIA' (pencil note)
• [on sketch] 'J Bonomi del.' (pencil note)
• [on sketch] 'Europe uniting Asia and America / She extends to them Commerce and Peace / The wheels indicate the means, viz, the rail road' (pencil note)
• [on sketch] 'America youthful / attired in the costume / of the Mexicans stands / on the right of Europe / the position that / continent has with / respect to Europe / others the other two' (pencil note)
• [on sketch] 'Asia more matronly / attired in more ample / garments stands on / the left of Europe' (pencil note)
• [on sketch] 'Europe younger than / Asia wears the mural / crown surmounted by / a dome and a cross as / this division of the earth / entirely Xtian' (pencil note)
• [on mount] '10' (ink note)

Male figure in grid:

• pencil sketch on paper
• loose
• 10.8 x 12.4 cm

Winged Muse with lyre in grid:

• pencil sketch on tracing paper
• loose
• 12.6 x 15.5 cm

Lunging male nude (probably design for pediment) :

• pencil and watercolour (yellow, black and grey) drawing on paper
• loose
• 22.7 x 28.6 cm

Design of pediment in grid, with some parallels with the East Pediment of the Parthenon:

• pencil and ink (purple) sketch on paper
• loose
• 22.7 x 28.6 cm

Ornamental design with acanthus:

• pencil and watercolour (red) drawing on tracing paper
• loose
• 21.6 x 11.5 cm

Design for Tyne Sailors' Home medal (obverse and reverse):

• ink drawing on tracing paper
• loose
• 13.7 x 6.8 cm
• [on drawing] 'TYNE SAILOR'S HOME / ALGERNON DUKE OF NORTHUMBERLAND' (ink note)
• [on drawing] 'ESTO PERPETUA / 21 OCTR. 1856' (ink note)

Man using compasses (probably Eratosthenes estimating Earth's circumference):

• pencil tracing on tracing paper
• loose
• 7.8 x 21.6 cm

Rear view of male nude with stick (probably design for pediment) :

• red ink sketch on tracing paper
• loose
• 14.8 x 19.8cm

Frieze design with chariots and kneeling men:

• pencil sketch on tracing paper
• loose
• 19.1 x 16.7 cm

Man using compasses (probably Eratosthenes estimating Earth's circumference):

• pencil sketch on tracing paper
• loose
• 12.8 x 18.7 cm