Men grinding copper ore in Bolivia:

• pencil sketch on paper, partially glued to lined paper
• loose
• 12.7 x 6.8 cm (13.4 x 9.5 cm with mount)

Diagram with numbers:

• pencil sketch on paper, mounted on lined paper
• loose
• 3.3 x 6.5 cm (9.5 x 13.4 cm with mount)

Man with feathered hat and cloak holding a dagger:

• pencil sketch on paper
• loose
• 12.5 x 20.2 cm

Profile view of male bust:

• pencil sketch with ink (brown) wash on paper
• loose
• 10 x 9.6 cm

Woman in historical dress:

• ink sketch on paper, mounted on blue lined paper
• loose
• 10 x 12.6 cm (17.7 x 22.1 cm with mount)

Two sketches of women by window:

• pencil sketches on paper
• loose
• 22.6 x 17.7 cm

Two overlapping sketches of bearded male heads:

• pencil sketches on paper
• loose
• 13 x 18.7 cm

Classicised male figure, other sketches and notes:

• pencil and ink sketches and pencil notes on paper
• loose
• 13 x 18.7 cm

Three views of horse's head:

• pencil sketches on paper, mounted on pink paper
• loose
• [left] 5.2 x 5.7 cm, [middle] 4.2 x 6.0 cm, [right] 5.1 x 5.7 cm (19 x 6.4 cm with mount)

Anatomical studies (ribcage, shoulder and humerus):

• inked pencil drawings with ink wash on paper
• loose
• 18.2 x 22.7 cm
• [on drawing] 'S. Vertebrae of Neck - / C. Acromiun of Scapula - / H. Clavicle - / R. Sternum - / f. Head of Humerus - / K Humerus' (ink note)

Medals or coins and other sketches:

• ink sketches on paper
• loose
• 12.6 x 7.2 cm

Medals or coins and other sketches:

• pencil sketches on paper
• loose
• 12.6 x 7.2 cm

Portraits of Margaret of Austria and Joanna of Castile:

• pencil sketches on paper, mounted on card
• loose
• [left] 7.3 x 10.7 cm, [right] 7.3 x 10.5 cm (21.2 x 14.2 cm with mount)
• [on left sketch] 'Marguerita de Austria' (pencil note)
• [on right sketch] 'Juana hija de los / Reyes Catolicos' (pencil note)

Woman holding infant:

• pencil sketch on paper
• loose
• 28.3 x 39.2 cm

Two infant heads:

• prints on paper, mounted on paper
• loose
• [upper] 6.9 x 8.1 cm, [lower] 7.6 x 8.9 cm (13.1 x 25.3 cm with mount)

Four women contemplating a bust:

• ink (blue) sketch on paper
• loose
• 9.9 x 14cm

[Top] Sketches of types of female figures; [middle] caricatures of man and woman; [bottom] caricature of man (perhaps Bonomi himself) by pyramid:

• ink and pencil sketches on paper, mounted on blue lined paper
• loose
• [top] 13.5 x 6.5 cm, [middle (folded)] 5.6 x 6.6 cm / [middle (unfolded)] 5.6 x 13.1 cm, [bottom] 12 x 7 cm (17.4 x 22 cm with mount)
• [on top sketch] 'La belle taille ronde' (pencil note)
• [on verso of middle sketches] calculations (pencil note)

Portraits of Jacomo de Cachiopin (1575-1642) [upper left], Justus Sustermans (1597-1681) [lower left], Jacques du Broeucq (c. 1505-1584) [upper right], and Paulus Pontius (1603-1658) [lower right] originally by Antoon van Dyck (1599-1641), copied from engravings in Icones Principum Virorum / The Iconography:

• pencil drawings on paper, mounted on paper with ink and ink (grey) wash frame
• mounted
• 13.4 x 15.6 cm (22 x 24.7 cm with mount)
• [on drawing] '99 / 92 / 73 / 83' (pencil notes)
• [on mount] 'J. DE CACHOPIN.' (ink note)
• [on mount] 'J. DE BREUK.' (ink note)
• [on mount] 'J. SUTTERMANS.' (ink note)
• [on mount] 'P. PONTIUS.' (ink note)
• [on mount] 'a / 5.-' (pencil note)

Seldeu's Cottage:

• pencil sketch on paper
• loose
• 25.5 x 17.5 cm
• [on sketch] 'Seldeu's Cottage' (pencil note)

Coastline view of the Cabo de Gata in Spain:

• watercolour on paper
• loose
• 9.6 x 7.6 cm
• [on sketch] 'Cape de Gat NW' (ink note)

Two views of the Cabo de Gata in Spain and sketches of boats:

• pencils sketches on paper
• loose
• 14.7 x 22cm
• [on sketch] 'GAT NE 9 miles' (pencil note)

Five figures on a boat:

• pencil sketch on paper
• loose
• 12 x 9.5 cm

Pier and boat:

• pencil sketches on paper
• loose
• 12 x 21.5 cm

Cityscape with mosques (not identified):
-pencil sketch on paper
-loose
-18.6 x 11.4 cm

Windmills by pier and boats:

• pencil sketches on paper
• loose
• 22.8 x 18.5 cm

Buildings, perhaps castle, on mountain (not identified):

• pencil sketches on paper
• loose
• 10 x 14.5 cm

Unfinished sketches:

• pencil sketches on paper
• loose
• 10 x 14.5 cm

Exterior view of the Quarantine station at Marseille in France:

• pencil sketch on paper
• loose
• 39 x 24 cm
• [on sketch] 'Quarantine Marseilles' (ink note)

View of the Tomb of Archimedes with boy at Syracuse in Sicily (Italy):

• pencil sketch on paper
• loose
• 42.7 x 26 cm
• [on sketch] '1 The Sepulchre of Archimedes' (pencil note)
• [on sketch] '2 also supposed to be - Sycruse September 1st 1824' (pencil note)

Diagram in perspective of the interior of the Church of the Nativity at Bethlehem in Palestine, in grid:

• pencil sketch on paper
• loose
• 21.2 x 20.6 cm
• [on sketch] 'Church at Bethlehem' (pencil note)
• [on verso] 'Church at Bethlehem' (pencil note)