| 3702 | 6946 | Christian Kleinert and Peter Trenner | The Bhaktapur development project : an example of Nepalese-German cooperation | 1976 | B/10.0 | Kleine |
| 3703 | 1268 | C H Knight and R Murdoch | Lead sheet in building : a guide to good practice | 1978 | B/05.9 | Knight |
| 3705 | 8136 | R A G Knight | Glues and their uses | ? | B/05.2 | Knight |
| 3706 | 8132 | R A G Knight | Adhesives for wood | 1952 | B/05.2 | Knight |
| 3707 | 4270 | Knowles & Co Ltd | Catalogue | 1950 | WCP | Knowle |
| 3708 | 6051 | Knowles-London | Sanitaryware fittings for housing | 1961 | WCP | Knowle |
| 3709 | 121 | A E Knox | Ornithological rambles in Sussex with catalogue of birds | 1849 | E/07.4 | Knox, |
| 3711 | 5517 | B R Kommer, U Pietsch | Portale und Turen in Lubeck | 1978 | B/06.3 | Kommer |
| 3712 | 5335 | Melissa Publishing House | Greek traditonal architecture : Naxos | 1985 | B/01.3 | Greece |
| 3713 | 5410 | J Krotilova | Historiky Vyvoj Trebize | 1980 | E/11 | Krotil |
| 3714 | 2744 | I Kuhn et al | Klasicisticka Architektura na Slovensku : Prispevok k jej dejinam [classical architecture in Slovakia : contribution to its history] | 1955 | B/01.4 | Slovak |
| 3715 | 6536 | L Marshall & Sons Ltd | Unbreakable boilers | 1927 | WCP | L Mars |
| 3716 | 2720 | edited by Henry La Farge | Lost treasures of Europe | 1946 | B/01 | La Far |
| 3717 | 15673 | D Lacey | Diagrams and plans for municipal and sanitary engineering and includes 2 handwritten notebooks. Plumbing and sanitation notes (school books by D Lac\\ | 1934 | WCP | Lacey, |
| 3721 | 2748 | Philippe Lachaud | Construire en Bretagne | 1975 | B/22 | France |
| 3722 | 5496 | Johaann Lachner et al | Bayern im Farbbild [Bavaria in colour pictures] | 1963 | E/15 | Overse |
| 3723 | 7626 | edited and designed by Chapter & Verso | Architectural brickwork | 1990 | B/05.3 | Chapte |
| 3724 | 8068 | Lafarge Aluminous Cement Co Ltd | Ciment fondu | 1924 | B/05.7 | Lafarg |
| 3725 | 7023 | Jeremy Lake | Historic farm buildings : an introduction & guide. In assocation with The National Trust | 1989 | B/23 | Lake, |
| 3727 | 7269 | Cadbury Lamb | Inn signs | 1976 | B/25.1 | Lamb, |
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