1
Cyhoeddwyd: [1994]
Superior document: Avhandlinger / Det Norske Videnskaps-Akademi, 2, Hist.-Filos. Klasse N.S.,20
2
Cyhoeddwyd: [2009]
Superior document: Title is part of eBook package: De Gruyter DGBA History 2000 - 2014
Links: Cael y testun llawn; Cael y testun llawn; Cover