Url http://omekas.prattsi.org/s/HistoryofBlue/item/2761 Resource class dctype:Image -- Url http://omekas.prattsi.org/s/HistoryofBlue/item/2757 Resource class dctype:Image -- Url http://omekas.prattsi.org/s/HistoryofBlue/item/1428 Resource class dctype:Image --