| Collection | George III Calendar |
| Reference | GEO/MAIN/406 |
| Record Type | Correspondence |
| Title | Letter from William, Hereditary Prince of Hesse-Cassel to George III |
| Date | 4 May 1766 |
| Writer | William, Hereditary Prince of Hesse-Cassel (1743-1821) |
| Addressee | George III, King |
| Description | Appealing for his assistance in the Imperial Court against his father's attempts to act against arrangements made in favour of William, his mother the Landgrave, and his family.
Signed. |
| Place Of Writing | Hanau |
| Language | French |
| Extent | 1 document (2 pages) |
| Physical Description | Loose manuscript paper; mounted |
| Document Image | 
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| Publications | Published in J. Fortescue (ed.) "Correspondence of King George III 1760-1783" Vol. 1 (London, 1927-1928), no. 306 |
| Level | Item |