| Name | Type |
|---|---|
| The Narrows, North Cheddar Gorge | Guidebook |
| The Northern Limestone Area (1969) | Guidebook |
| The Quellyn Area (1954) | Guidebook |
| The Southern Limestone Area (1970) | Guidebook |
| The Three Cliffs (1974) | Guidebook |
| Three Cliffs in Llanberis Interim Guide (1944) | Guidebook |
| Toll Road Climbs | Guidebook |
| Torquay Bouldering (2024) | Guidebook |
| Tremadoc Update (1956) | Guidebook |
| Tremadog (1983) | Guidebook |
| Tremadog & Cwm Silyn (1989) | Guidebook |
| Tremadog & the Moelwyns (1978) | Guidebook |
| Trowlesworthy Tors and Hen Tor | Guidebook |
| Tryfan & Glyder Fach (1966) | Guidebook |
| Tryfan & Glyder Fach (1956) | Guidebook |
| Tryfan (1953 reprint) (1937) | Guidebook |
| Tryfan And Glyder Fach (1966, 1973 Revision) (1973) | Guidebook |
| Turret Winter Climbs (2018) | Guidebook |
| West Nab | Guidebook |
| Wye Valley (1997) | Guidebook |