| 91020 | Art gallery (not dealer) |
| 91020 | Art museums |
| 91020 | Bethnal Green Museum |
| 91020 | British Museum |
| 91020 | Historical museums |
| 91020 | Imperial War Museum |
| 91020 | Local authority art galleries and museums |
| 91020 | London Museum |
| 91020 | Military museums |
| 91020 | Museums of all kinds |
| 91020 | Museums of furniture, costumes, ceramics, silverware |
| 91020 | Museums of jewellery |
| 91020 | National galleries (Scotland) |
| 91020 | National gallery |
| 91020 | National maritime museum |
| 91020 | National portrait gallery |
| 91020 | National trust garden (property) |
| 91020 | Natural history museum |
| 91020 | Open air museums |
| 91020 | Royal Scottish Museum (Edinburgh) |
| 91020 | Science museums |
| 91020 | Tate Gallery |
| 91020 | Technological museums |
| 91020 | Victoria and Albert Museum |
| 91020 | Wallace collection |
| 91020 | |