@book {2005, title = {805. Liudger wird Bischof. Spuren einer Heiligen zwischen York, Rom und M{\"u}nster}, year = {2005}, pages = {302}, publisher = {von Zabern}, organization = {von Zabern}, address = {Mainz}, issn = {3-8053-3446-X }, author = {Isenberg, Gabriele and Romme, Barbara} }