1723-1792 1756-1827 1769-1830 18thcentury art artcollectionsreynolds birminghamcitymuseumandartgallery british catalogsgainsborough catalogsreynolds countrylifeinart criticismandinterpretationgainsborough criticismandinterpretationlawrence drawing england english exhibitions exhibitiontechniques gainsborough genrepainting greatbritain history joshua landscapepainters landscapepainting lawrence mezzotintengraving motivesgainsborough painters parodyinart popularculture reynolds rowlandson ruralpoorinart themes thomas