1
2
3
Cyhoeddwyd: 1978
Superior document: Memoirs of the American Philosophical Society 128
4
Cyhoeddwyd: 2015.
Links: Cael y testun llawn
5
Cyhoeddwyd: [2023]
Superior document: Title is part of eBook package: De Gruyter DG Plus PP Package 2023 Part 2
Links: Cael y testun llawn; Cael y testun llawn; Cover
6
Cyhoeddwyd: [2022]
Superior document: Title is part of eBook package: De Gruyter DG Plus PP Package 2022 Part 2
Links: Cael y testun llawn; Cael y testun llawn; Cover
7
Cyhoeddwyd: [2020]
Superior document: Title is part of eBook package: De Gruyter DGBA Library Information Science <1990
Links: Cael y testun llawn; Cael y testun llawn; Cover
8
Cyhoeddwyd: [2011]
Superior document: Title is part of eBook package: De Gruyter DGBA Library Information Science <1990
Links: Cael y testun llawn; Cael y testun llawn; Cover
9
Cyhoeddwyd: [2008]
Superior document: Title is part of eBook package: De Gruyter DGBA Linguistics and Semiotics 1990 - 1999
Links: Cael y testun llawn; Cael y testun llawn; Cover