| 1901 | Herbarium Image: Senecio aquaticus |
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| 1902 | East Devon public water supply strategy : Exe freshwater model Wimbleball pump storage scheme scenario modelling |
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| 1903 | Essex groundwater investigation : project initiation document |
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| 1904 | An investigation into the presence of high levels of cadmium in sea-water samples from Mounts Bay, Cornwall |
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| 1905 | Herbarium Image: Potamogeton crispus |
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| 1906 | Water quality modelling in the Environment Agency (Report no.28) : present practice and future challenges : Water Quality Modelling Group workshop proceedings |
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| 1907 | Tabellaria |
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| 1908 | Stephanodiscus, |
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| 1909 | NRA Research and Development programme - 1994/95 and 1995/96 : schedule of on-going projects 1994/95 and proposed new starts in 1994/95 and 1995/96 |
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| 1910 | River Yealm catchment river water quality classification 1990 |
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| 1911 | Water resources development strategy : resource scheme costings. Supplementary report no. 6 |
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| 1912 | Melosira, |
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| 1913 | Herbarium Image: Hypericum tetrapterum |
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| 1914 | River pollution and how to avoid it |
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| 1915 | Herbarium Image: Carex laevigata |
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| 1916 | Cladophora-ball, |
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| 1917 | Pediastrum, |
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| 1918 | Herbarium Image: Nasturtium officinale |
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| 1919 | Herbarium Image: Potamogeton crispus |
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| 1920 | The precious resource : a brief guide to managing our water resources |
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| 1921 | The industrial fishery for sandeels |
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| 1922 | Assessment of freshwater riverine environments using macrophytes : standard methodologies : final draft : biology laboratory procedures manual. Section C : test methods and procedures |
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| 1923 | Lembadion, |
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| 1924 | Herbarium Image: Chara aculeolata |
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| 1925 | Herbarium Image: Sanguisorba officinalis |
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