1
Cyhoeddwyd: 1913
Superior document: Publications of the Princeton Expedition to Abyssinia 3
2
Cyhoeddwyd: 1913
Superior document: Publications of the Princeton Expedition to Abyssinia 4
3
Cyhoeddwyd: 1910
Superior document: Publications of the Princeton Expedition to Abyssinia 1
4
Cyhoeddwyd: 1910
Superior document: Publications of the Princeton Expedition to Abyssinia 2
5
Cyhoeddwyd: 1915
Superior document: Publications of the Princeton Expedition to Abyssinia 4 B
6