Example sentences of "been [vb pp] [prep] the 1920s " in BNC.
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1 | She learnt that it had been developed in the 1920s by a German physician , Dr Max Gerson . |
2 | Added to this , there are an unknown number of people with various impairments who may have been disabled since the 1920s and have simply been overlooked by researchers , policy-makers and service-providers alike . |
3 | This , however , is a rule that has not been enforced since the 1920s . |
4 | He pursued the antimicrobial properties of soil organisms , particularly actinomycetes , which had been known since the 1920s to produce inhibitory substances . |
5 | The site , near modern Kerma , has been known since the 1920s but the city underneath has only emerged over the last ten years . |
6 | Silvicultural management has been practised since the 1920s , beginning first with regulation of the telling cycle and then the stimulation of natural regeneration by cutting climbers , removing uneconomic species and canopy thinning in the 1930s , as has been described by Kio and Ekwebelam ( 1987 ) . |
7 | He says about three years ago Lord Rothschild asked us to restore the rock garden at Waddeson which had been overgrown since the 1920s . |