@Book{139605738,
author="David, Charles Wendell",
title="Robert Curthose, Duke of Normandy",
series="Harvard historical studies 25",
year="1920",
publisher="Harvard Univ. Press [u.a.]",
address="Cambridge",
note="by Charles Wendell David",
note="Archivierung pr{\"u}fen 20240324 DE-4165 2 pdager",
language="English"
}