Archives are the current holding institutions of sources.
| Winchester College, Warden and Fellows Library (GB-WCc) |
Organizations are corporate entities that have been involved in the history of a source, typically as an owner, creator, or seller.
| Longload Manor |
| St Swithun's Priory |
| Winchester Cathedral |
| Winchester College |
Sources that have had their origins in this city.
| GB-Ob MS. Tenbury 1442 (uncertain) |
| GB-Lbl Add. MS 60577 |
| GB-Ccc MS 473 (Winchester Troper) |
| GB-Ouc University College MS. 16 (uncertain) |