| UNKNOWN MASTER, German sculptor 11c | 0-0 | German | sculptor |
| UNKNOWN MASTER, German sculptor 12c | 0-0 | German | sculptor |
| UNKNOWN MASTER, German sculptor 13c-16c | 0-0 | German | sculptor |
| UNKNOWN MASTER, Hungarian painter 15c-17c | 0-0 | Hungarian | painter |
| UNKNOWN MASTER, Hungarian sculptor 13c-16c | 0-0 | Hungarian | sculptor |
| UNKNOWN MASTER, Italian painter 11c-13c | 0-0 | Italian | painter |
| UNKNOWN MASTER, Italian painter 13c (Rome fresco cycle) | 0-0 | Italian | painter |
| UNKNOWN MASTER, Italian painter 14c (page 1) | 0-0 | Italian | painter |
| UNKNOWN MASTER, Italian painter 14c (page 2) | 0-0 | Italian | painter |
| UNKNOWN MASTER, Italian painter 15c | 0-0 | Italian | painter |
| UNKNOWN MASTER, Italian painter 15c (Apulia fresco cycle) | 0-0 | Italian | painter |
| UNKNOWN MASTER, Italian painter 15c (Trent fresco cycle) | 0-0 | Italian | painter |
| UNKNOWN MASTER, Italian painter 15c (Valle d'Aosta fresco cycle) | 0-0 | Italian | painter |
| UNKNOWN MASTER, Italian painter 16c | 0-0 | Italian | painter |
| UNKNOWN MASTER, Italian painter 17c | 0-0 | Italian | painter |
| UNKNOWN MASTER, Italian sculptor 11c-14c | 0-0 | Italian | sculptor |
| UNKNOWN MASTER, Italian sculptor 14c (Verona tombs) | 0-0 | Italian | sculptor |
| UNKNOWN MASTER, Italian sculptor 15c-17c | 0-0 | Italian | sculptor |
| UNKNOWN MASTER, Italian sculptor 16c-18c (Florence inlays) | 0-0 | Italian | sculptor |
| UNKNOWN MASTER, Portuguese painter 14c-17c | 0-0 | Portuguese | painter |
| UNKNOWN MASTER, Spanish painter 14c | 0-0 | Spanish | painter |
| UNKNOWN MASTER, Spanish painter 15c | 0-0 | Spanish | painter |
| UNKNOWN MASTER, Spanish sculptor 11c-16c | 0-0 | Spanish | sculptor |
| UNKNOWN MASTER, Swiss artists 12c-18c | 0-0 | Swiss | N/A |
| UNKNOWN MASTER, Various sculptors 11c-16c | 0-0 | | sculptor |
| UNKNOWN POTTER, Austrian | 0-0 | Austrian | |
| UNKNOWN POTTER, Dutch 17c (Delft earthenware) | 0-0 | Dutch | potter |
| UNKNOWN POTTER, English 18c (Wedgwood earthenware) | 0-0 | English | potter |
| UNKNOWN POTTER, French 18c-19c (Sèvres porcelain) | 0-0 | French | potter |
| UNKNOWN POTTER, German 18c (Meissen porcelain) | 0-0 | German | potter |