1
Cyhoeddwyd: 2002,, c2000.
2
Cyhoeddwyd: c2011.
3
Cyhoeddwyd: 2015.
Links: Cael y testun llawn
4
Cyhoeddwyd: 2002.
Superior document: Cambridge texts in the history of philosophy
Links: Cael y testun llawn
5
Cyhoeddwyd: 2017
6
Cyhoeddwyd: [2013]
Superior document: Title is part of eBook package: De Gruyter DGBA Backlist Complete English Language 2000-2014 PART1
Links: Cael y testun llawn; Cover
7
Cyhoeddwyd: [2015]
Superior document: Title is part of eBook package: De Gruyter DG Plus eBook-Package 2015
Links: Cael y testun llawn; Cael y testun llawn; Cover
8
Cyhoeddwyd: [2014]
Superior document: Title is part of eBook package: De Gruyter DGBA Philosophy 2000 - 2014
Links: Cael y testun llawn; Cover
9
Cyhoeddwyd: [2024]
Superior document: Title is part of eBook package: De Gruyter DG Plus DeG Package 2024 Part 1
Links: Cael y testun llawn; Cael y testun llawn; Cover
10
Cyhoeddwyd: [2022]
Superior document: Title is part of eBook package: De Gruyter Edinburgh University Press Archive eBook-Package Pre-2000
Links: Cael y testun llawn; Cael y testun llawn; Cover
11
Cyhoeddwyd: [2021]
Superior document: Title is part of eBook package: De Gruyter DG Plus DeG Package 2021 Part 1
Links: Cael y testun llawn; Cael y testun llawn; Cover
12
Cyhoeddwyd: [2008]
Superior document: Title is part of eBook package: De Gruyter DGBA Philosophy 2000 - 2014
Links: Cael y testun llawn; Cael y testun llawn; Cover
13
Cyhoeddwyd: [2018]
Superior document: Title is part of eBook package: De Gruyter DG Plus DeG Package 2019 Part 1
Links: Cael y testun llawn; Cael y testun llawn; Cover