Calculations and sketch of two figures with upraised arms:

• ink sketch and text on paper
• loose, adjacent to Bonomi MSS 52.1
• 7.8 x 9.6 cm

Street view (not identified):

• unfinished pencil and watercolour sketch on paper
• loose, adjacent to Bonomi MSS 52.1
• 22.6 x 28.7 cm

Portrait (frontal view) of Sir Long Thomas Roberts, based on a death mask made by Joseph Nollekens (1737-1823):

• ink drawing on paper
• partially attached
• 10.4 x 15.7 cm
• [on verso of drawing] 'Sir Long Thomas Roberts from / a mask taken after death by J Nollekens / JBonomi deliv...' (ink note)

Standing male nude stretching leg:

• inked pencil sketch on paper
• mounted, together with Bonomi MSS 52.20
• 6.0 x 11.2 cm
• [on sketch] 'May the 4 / 1820' (ink note)

Warrior slaying a male nude:

• pencil sketch on paper
• partially attached
• 22.8 x 18.4 cm

Cupid or male angel from behind:

• inked pencil sketch on paper
• mounted
• 25.9 x 22.4 cm

Marble slab of the Amazon frieze of the Mausoleum of Halikarnassos, with three Greek warriors and two Amazons, one fallen and the other on horseback (London, British Museum, inv. 1847,0424.5, c. 350 BC):

• ink tracing on light weight paper
• loose
• 31.9 x 18.0 cm