21
Cyhoeddwyd: c2009.
Links: Cael y testun llawn
22
Cyhoeddwyd: 2016.
Links: Cael y testun llawn
23
Cyhoeddwyd: 2014.
Links: Cael y testun llawn
24
Cyhoeddwyd: c2010.
Superior document: Disability and the disabled : issues, laws and programs
Links: Cael y testun llawn
25
Cyhoeddwyd: [2021]
Superior document: Title is part of eBook package: De Gruyter DGBA Linguistics and Semiotics - <1990
Links: Cael y testun llawn; Cael y testun llawn; Cover
26
Cyhoeddwyd: c2004.
Links: Cael y testun llawn
27
Cyhoeddwyd: [2015]
Superior document: Title is part of eBook package: De Gruyter Asian Studies Archive (pre 2000) eBook Package
Links: Cael y testun llawn; Cael y testun llawn; Cover
28
Cyhoeddwyd: [2004]
Superior document: Title is part of eBook package: De Gruyter New York University Press Backlist eBook-Package 2000-2013
Links: Cael y testun llawn; Cael y testun llawn; Cover
29
Cyhoeddwyd: [1992]
Superior document: Title is part of eBook package: De Gruyter Rutgers University Press Archive eBook-Package Pre-2000
Links: Cael y testun llawn; Cael y testun llawn; Cover
30
Cyhoeddwyd: [2021]
Superior document: Title is part of eBook package: De Gruyter DGBA History <1990
Links: Cael y testun llawn; Cael y testun llawn; Cover
31
Cyhoeddwyd: [2011]
Superior document: Title is part of eBook package: De Gruyter DGBA Reference Works 1990 - 1999
Links: Cael y testun llawn; Cael y testun llawn; Cover
32
Cyhoeddwyd: [2019];, [1908]
Superior document: Title is part of eBook package: De Gruyter DGBA History <1990
Links: Cael y testun llawn; Cael y testun llawn; Cover
33
Cyhoeddwyd: [2012]
Superior document: Title is part of eBook package: De Gruyter DGBA Medicine and Life Sciences 1990 - 1999
Links: Cael y testun llawn; Cael y testun llawn; Cover
34
Cyhoeddwyd: [2013]
Superior document: Title is part of eBook package: De Gruyter HUP e-dition: Complete eBook Package
Links: Cael y testun llawn; Cael y testun llawn; Cover
35
Cyhoeddwyd: [1991]
Superior document: Title is part of eBook package: De Gruyter Columbia University Press eBook-Package Archive 1898-1999
Links: Cael y testun llawn; Cael y testun llawn; Cover
36
Cyhoeddwyd: [2021]
Superior document: Title is part of eBook package: De Gruyter DG Plus PP Package 2021 Part 2
Links: Cael y testun llawn; Cael y testun llawn; Cover
37
Cyhoeddwyd: [2014]
Superior document: Title is part of eBook package: De Gruyter DGBA Backlist Complete English Language 2000-2014 PART1
Links: Cael y testun llawn; Cael y testun llawn; Cover