@inbook{+2008+243+260,
url = {https://doi.org/10.1515/9783110914160.2.243},
title = {O},
booktitle = {Biographical Index of the Middle Ages},
editor = {Berend Wispelwey},
publisher = {K. G. Saur},
address = {Berlin, New York},
pages = {243--260},
doi = {doi:10.1515/9783110914160.2.243},
isbn = {9783110914160},
year = {2008},
lastchecked = {2026-05-11}
}