| 5147 | 5722 | The Worshipful Company of Plumbers | Official opening of the Plumbing Workshop at the Weald & Downland OAM | 1980 | WCP | The Wo |
| 5148 | 5307 | J Thirsk | Fenland farming in the sixteenth century | 1953 | E/17.1 | Thirsk |
| 5149 | 7410 | edited by J Thirsk | Agricultural change : policy and practice 1500-1750 | 1990 | E/17.1 | Thirsk |
| 5150 | 5791 | Andrew R Thomas | Treatment of damp in old buildings | 1986 | B/10.2 | Thomas |
| 5151 | 6535 | Thomas De La Rue & Co Ltd | Potterton gas fired boilers | 1952 | WCP | Thomas |
| 5152 | 2159 | J F H Thomas, M Griffith, M Jones, A R Wannop | Sheep | 1945 | E/17.33 | Thomas |
| 5153 | 3641 | J F H Thomas et al | Sheep | 1945 | E/17.33 | Thomas |
| 5155 | 5322 | James H Thomas | Petersfield under the later Stuarts : an economic and social study | 1980 | E/15 | Hampsh |
| 5156 | 3929 | J J Thomas | The ancient town & port of Sandwich : official handbook | ? | E/15 | Kent/S |
| 5158 | 5001 | Michael Thomas | Dovecotes | 1980 | B/23.4 | Thomas |
| 5159 | 4478 | Michael Thomas | Dovecotes : The National Trust Severn Region | 1980 | B/23.4 | Thomas |
| 5162 | 2081 | John Thompson | The model wheelwright 1980 yearbook for the modelmaker and horse-drawn vehicle enthusiast | 1980 | E/33.23 | Thomps |
| 5163 | 6108 | John Thompson | "The model wheelwright" : a handbook for the modelmaker and horse-drawn vehicle enthusiast | 1988-9 | E/33.23 | Thomps |
| 5164 | 4411 | M W Thompson | The Bedehouse, Lyddington, Rutland | ? | M/08 | Rutlan |
| 5165 | 2155 | R C N Thornes | West Yorkshire : "A Noble Scene of Industry" : the development of the county 1500 to 1830 | 1981 | E/65.0 | Thorne |
| 5166 | 5455 | K Thorvildsen | The Viking Ship of Ladby | 1967 | E/61.5 | Thorvi |
| 5167 | 5463 | K Thorvildsen | The Tollund Man | 1972 | E/61.5 | Thorvi |
| 5168 | 102 | Michael Tilley | Housing the country worker | 1947 | B/01.4 | Tilley |
| 5169 | 247 | Michael F Tilley | Housing the country worker | 1947 | B/01.4 | Tilley |
| 5171 | 6865 | J G Timmins | Handloom weavers' cottages in central Lancashire | 1977 | B/22 | North |
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