| Collection | George III Calendar |
| Reference | GEO/MAIN/2871-2872, 2874-2942 |
| Title | April 1778 |
| Date | 1 - 30 April 1778 |
| Language | English |
| Extent | 68 documents |
| Access Conditions | Available in surrogate form only |
| Level | Sub-series |
| Publications | Majority of documents published in J. Fortescue (ed.) "Correspondence of King George III 1760-1783" Vol. 4 (London, 1927-1928) |