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              | William Bolts to Catherine II, including the Proposal for an Expedition to the Northwest Coast of America (French) | English Translation | 
            
              | William Bolts to Count Osterman: December 27, 1782 (French) | English Translation | 
            
              | Pedro Normande to Conde de Floridablanca:  February 16, 1787 (Spanish) | English Translation | 
             
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              | Alexandro 
              Malaspina to Josef Salvaresa, Chief Medical Examiner of the Real Armada in Cádiz: December 23, 1788 (Spanish) | English 
              Translation | 
             
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              | Antonio Porlier to the Viceroy of New Spain: June 26, 1789 (Spanish) | English Translation | 
             
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              |  | N/A | 
             
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              | Alexandro Malaspina to Gherardo Rangoni: 
            March 29, 1791 (Italian) |  | 
             
              | Alexandro 
                  Malaspina to Azzo Giacinto Malaspina: March/April 1791 (Italian) |  | 
             
              | Alexandro Malaspina to Gherardo 
              Rangoni: April 8, 1791 (Italian) |  | 
             
              | Alexandro Malaspina to Azzo Giacinto 
              Malaspina: April 27, 1791 (Italian) |  | 
             
              | Alexandro 
                  Malaspina to 
                  Paolo Greppi: April 27, 1791 
                  (Spanish) |  | 
            
              | Alexandro Malaspina to Antonio Valdés: April 28, 1791 - Pendulum Experiments (Spanish) | English Translation | 
             
              | Alexandro Malaspina to Paolo 
              Greppi: October 11, 1791 (Italian) |  | 
            
              | Alexandro Malaspina to the Viceroy of New Spain, the Count of Revillagigedo: November 10, 1791 (Spanish) | English 
              Translation | 
             
              | Alexandro Malaspina to Ramón 
              Ximénez: November 23, 1791 (Italian) |  | 
             
              | Alexandro Malaspina to Paolo 
              Greppi: December 20, 1791 (French) |  | 
             
              | Alexandro Malaspina to Bernardo 
                  del Campo: April 9, 1793 |  | 
             
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