1926 | Herbarium Image: Eleocharis multicaulis |
1927 | Interim review of drought management experience in the North West Region of the National Rivers Authority. lessons learned (29th June 1995 - March 31st 1996) |
1928 | Integrated appraisal of the Environment Agency's water quality policies : role of the FWR manual |
1929 | Macrophyte Plant Identification Guide: A document to support a Training Course for NRA Wessex Region |
1930 | Rhizophydium |
1931 | Gomphosphaeria, |
1932 | Pinnularia, |
1933 | Rhizophydium |
1934 | Cased caddis |
1935 | Oligochaete, |
1936 | Herbarium Image: Oenanthe fistulosa |
1937 | Phacus, |
1938 | Pinnularia, |
1939 | Spore, |
1940 | Chaetophora, |
1941 | Professor W. T. Edmondson, |
1942 | An Aerial Photograph of Ferry House and The Pearsall Building |
1943 | Herbarium Image: Ruppia cirrhosa |
1944 | Protozoan, |
1945 | Rhyzophydium |
1946 | Herbarium Image: Cornus sanguinea |
1947 | Review of existing practices for fluvial grass management throughout the NRA (213/1/Y) |
1948 | Herbarium Image: Circaea lutetiana |
1949 | Rotifer, |
1950 | Diphyllobothrium species, |