| 7236 | Hertfordshire County Council | Bricks in Hertfordshire | 1983 |
| 7235 | Hertfordshire County Council | Pargetting in Hertfordshire | 1983 |
| 7230 | John H Harvey | The square garden of Henry the Poet / Garden History, 15 N1 | 1987 |
| 723 | C Tomlinson | A rudimentary treatise on warming & ventilation | 1886 |
| 7229 | edited by Roger Virgoe | Private life in the fifteenth century : illustrated letters of the Paston family | 1989 |
| 7228 | James Brown | Gamlingay : six hundred years of life in an English village | 1989 |
| 7226 | A Henstock | Tracing the history of your house : documentary sources for the history of Nottinghamshire buildings | 1988 |
| 722 | J O French | Plumbers in unity : history of the Plumbing Trades Union 1865-1965 | |
| 7219 | AMSSEE | The smock : an early protective garment : 1700s-1900s : exhibition synopsis | ? |
| 7218 | P A Tritton | Parham | 1982 |
| 7216 | C Fox | The personality of Britain : its influence on inhabitant & invader in prehistoric & early historic times | 1932 |
| 7215 | Henry Cleere and David Crossley et al | The iron industry of the Weald | 1985 |
| 7214 | P J Fowler | The farming of prehistoric Britain | 1983 |
| 7213 | Bernhard Linder | Vandmoller [water mills] | ? |
| 721 | Lead Industries Development Council | The plumber's handbook on lead sheet & pipe & their uses | 1950 |
| 720 | B H Tripp | Grand Alliance : a chapter of industrial history | 1951 |
| 72 | Harry Forrester | Timber-framed buildings in Hertford & Ware | 1965 |
| 7198 | G Rickard | Mobile homes | 1988 |
| 7196 | E Catherall | Levers & ramps | 1982 |
| 7195 | E Catherall | Wind power | 1981 |
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