{"id":"001189581","type":"book","title":"Zur Entstehung des sog. ostfriesischen Registers in den frühen Werdener Urbaren","pages":"7-40","container-title":"Emder Jahrbuch für Historische Landeskunde Ostfrieslands, 77 (1997","author":[{"family":"Schleicher","given":"Siegfried"}],"issued":{"raw":"1997"}}