1
Cyhoeddwyd: c2013.
Superior document: History of Science and Medicine Library ; Volume 34/1
2
Cyhoeddwyd: 1995.
Superior document: Clio Medica ; 31
3
Cyhoeddwyd: [2011]
Superior document: Title is part of eBook package: De Gruyter DGBA History 2000 - 2014
Links: Cael y testun llawn; Cael y testun llawn; Cover
4
Cyhoeddwyd: [2009]
Superior document: Title is part of eBook package: De Gruyter DGBA Reference Works 2000 - 2014
Links: Cael y testun llawn; Cael y testun llawn; Cover
5
Cyhoeddwyd: [2020]
Superior document: Title is part of eBook package: De Gruyter DG Plus DeG Package 2020 Part 1
Links: Cael y testun llawn; Cael y testun llawn; Cover