1
Cyhoeddwyd: [2000]
Superior document: Title is part of eBook package: De Gruyter Columbia University Press eBook-Package Backlist 2000-2013
Links: Cael y testun llawn; Cael y testun llawn; Cover
2
Cyhoeddwyd: [1979]
Superior document: Title is part of eBook package: De Gruyter CUP eBook Package Archive 1898-1999 (pre Pub)
3
Cyhoeddwyd: c2000.