found: nuc90-18920: Orthodoxia 1984(hdg. on OrU rept.: Wyrwoll, Nikolaus; usage: Nikolaus Wyrwoll)
found: Wyrwoll, Nikolaus. Ostkirchliches Institut Regensburg: Studierende und Gäste 1963 bis 2013, 2013:title page (Nikolaus Wyrwoll) page 283 (Dr. Nikolaus Wyrwoll; born 31 August 1938 in Beuthen, Upper Silesia)
found: German Wikipedia, viewed August 24, 2020(Nikolaus Wyrwoll; actually Klaus Wyrwoll; born August 31, 1938, in Beuthen, Upper Silesia (now Bytom in Poland); German Roman Catholic priest and proponent of ecumenism; studied in Rome; ordained to the Catholic priesthood on October 7, 1962; obtained his doctorate in 1965; associated with the Collegium Germanicum (Pontificio Collegio germanico ungarico) in Rome)