| retrospective study | 0.72 | This is a retrospective study. | ||
| retrospective conversion | 0.53 | Retrospective conversion of earlier catalogue records is under way. | ||
| retrospective show | 0.33 | It is part of a set of retrospective shows. | ||
| retrospective exhibition | 0.26 | There will also be a new retrospective exhibition of the work of the political cartoonist, Gerald Scarfe. |