1
Cyhoeddwyd: [2014]
Superior document: Title is part of eBook package: De Gruyter EBOOK PACKAGE Complete Package 2014
2
Cyhoeddwyd: 2003.
3
Cyhoeddwyd: [2021]
Superior document: Title is part of eBook package: De Gruyter University of Texas Press Complete eBook-Package Pre-2000
Links: Cael y testun llawn; Cael y testun llawn; Cover
4
Cyhoeddwyd: 2002.
Links: Cael y testun llawn
5
Cyhoeddwyd: c2007.
Links: Cael y testun llawn
6
Cyhoeddwyd: [2007]
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