Selection by date of origin: 1651
| Shelfmark | Manuscript title | Place of origin | Date of origin | Facsimile |
|---|---|---|---|---|
| Cod. Guelf. 236.7 Extrav. | Herzog August zu Braunschweig-Lüneburg: Briefe an Johann Valentin Andreae 1641 - 1653, Bd. 7 | 1651 | 
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| Cod. Guelf. 143 Noviss. 4° | Diederich von dem Werder: Brief an Herzog August d.J. | Reinsdorf | 28.03.1651 |