Archives are the current holding institutions of sources.
| All Souls College (GB-Oas) |
| Bodleian Library (GB-Ob) |
| Brasenose College (GB-Obc) |
| Christ Church (GB-Och) |
| Corpus Christi College (GB-Occc) |
| DIAMM Virtual Manuscript Archive (GB-Odiamm) |
| Lincoln College (GB-Olc) |
| Magdalen College (GB-Omc) |
| Merton College (GB-Ome) |
| New College (GB-Onc) |
| St John’s College (GB-Ojc) |
| Trinity College (GB-Otc) |
| University College (GB-Ouc) |
| Worcester College (GB-Owc) |
Organizations are corporate entities that have been involved in the history of a source, typically as an owner, creator, or seller.
| All Souls College |
| Christ Church Cathedral |
| Christ Church College |
| Greyfriars |
| Keble College |
| Lincoln College |
| New College |
| New College chapel |
| Osney Abbey |
| Oxford University Music School |
Sources that have had their origins in this city.