- ColecciónBonomi MSS - Joseph Bonomi Collection
- Unidad documental compuestaBonomi MSS 27 - Drawings Various
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- Unidad documental simpleBonomi MSS 27.27 (verso) - Sketches, including unfinished human figures
- Unidad documental simpleBonomi MSS 27.28 - Three views of horse's head
- Unidad documental simpleBonomi MSS 27.29 - Anatomical studies (ribcage, shoulder and humerus)
- Unidad documental simpleBonomi MSS 27.30 - Anatomical study (ribcage with shoulder)
- Unidad documental simpleBonomi MSS 27.31 (recto) - Medals or coins and other sketches
- Unidad documental simpleBonomi MSS 27.31 (verso) - Medals or coins and other sketches
- Unidad documental simpleBonomi MSS 27.32 - Portraits of Margaret of Austria and Joanna of Castile
- Unidad documental simpleBonomi MSS 27.33 - Profile view of sleeping infant
- Unidad documental simpleBonomi MSS 27.34 - Infant's face
- 21 more...