This article continues a series of articles which summarise the results of analyses of media of National Gallery (London) paintings. Both gas chromatographic and combined gas chromatography mass spectroscopy are used. Media from 15 paintings are included, by the artist Bordon Crivelli, Palma Vecchio, Solar, Tura, Zoppo, Campin, Hoogstraten, Greuze, Koblke, Gainsborough, Reynolds, and van Gogh. Among the identified media are walnut oil, egg egg and wax, linseed oil, poppy oil and oil-resin mixes.