| Text | MS and Item no. | IMEP volume |
|---|---|---|
| Rownham, Bristol | CCCC 210 [7] | 20 |
| Roxburghe Club | CCCC 143 [3] | 20 |
| Roxburghe Club | CCCC 142 [3] | 20 |
| Royal household | HM 25904 [A 3] | 1 |
| Royal household | HM 41955 [1] | 1 |
| Rubricator’s account | Pem 221 [2] | 18 |
| Rubrics | Lambeth 3600 [19] | 13 |
| Rubrics | Lambeth 3774 [1]-[4] | 13 |
| Rubrics | Lambeth 432 [8]-[9] | 13 |
| Rubrics | Lambeth 459 [2] | 13 |
| Rubrics | Lambeth 491 [3] | 13 |
| Rubrics | Lambeth 546 [13] | 13 |
| Rubrics | Lambeth 559 [13]-[14] | 13 |
| Rubrics | Lambeth 878 [1] | 13 |
| Rubrics | Oxf Un 179 [25] | 8 |
| Rubrics | Oxf SJ 208 [1] | 8 |
| Rubrics to prayers | BC 15 [2] | 6 |
| Rubrics to prayers | BC 3 [1]-[2] | 6 |
| Rubrics to prayers | York Min ADD2 [2] | 6 |
| Rubrics to prayers | York Min XVI.O.24 [1] | 6 |
| Rud, Thomas, donor, 1703 | Trinity R.3.18 | 11 |
| Ruerdon, Richard, 1668 | Oxf BN 9 | 8 |
| Rule for hermits | Lambeth 192 [1] | 13 |
| Rule of the order of penitents | NLW 22873 [1] | 14 |
| Rules for living a holy life | Lambeth 546 [8] | 13 |
