| RHP2129 | Map of Spain and Portugal divided into their respective kingdoms and provinces. | 1796 |
| RHP9840 | Map of Portugal "laid down according to the Sr Nolin" | 1771 |
| RHP9841 | Map of Portugal and adjacent part of Spain, "Mappa ou Carta Geographica Dos Rheinos De Portugale Algrave" (Second edition) | 1790 |
| RHP9843 | Map of Spain and Portugal | 1796 |
| RHP22836 | Maps from Walker's Geography: (1) Spain and Portugal; (2) France. | [Early 19th century] |
| RHP22840 | Military plan of Lisbon and its environs. | [early 19th century] |
| RHP22841 | Plan of Oporto and its environs showing lines of defence. | [19th century] |
| RHP43394 | Sketch plan of military positions near Talavera. | 1809 |
| RHP43395 | Plan of battle of Talavera. | 1809 |
| RHP43396 | Plan of region near Santarem. | 1810 |
| RHP43397 | Plan of battle of Busaco. | 1810 |
| RHP43398 | Plan of military positions at Santarem. | 1810 |
| RHP72715 | Paper making machine No. 230 for Abelhiera Paper Mills, Portugal: Arrangement. | 1951 |
| RHP72716 | Paper making machine (Press Section) No. 230 for Abelhiera Paper Mills, Portugal: Arrangement. | 1951 |
| RHP72817 | Reeler No. 162 for Abelheira Paper Mills, Portugal: Arrangement. | 1945 |
| RHP73096 | Willow & Dusting Machine for Col. Astley Campbell, Abelheira Paper Mills, Lisbon: Plan and elevation. | 1888 |
| RHP117135 | Architectural drawing of pulpit, St Andrew's Church of Scotland, Lisbon, Portugal | 20 Dec 1950 |
| RHP117136 | Architectural drawing of lectern, St Andrew's Church of Scotland, Lisbon, Portugal | 1951 |
| RHP117137 | Architectural drawing of St Andrew's Church of Scotland, Lisbon, Portugal | nd [20th century] |