:Bibliography-
::*{{ListRef|Edwards 1934|pp.74-78}}
::*{{ListRef|Grieg 1940|p.159}}
::*{{ListRef|Graham-Campbell & Batey 1998|p.124-125}}
::*[http://nms.scran.ac.uk/database/record.php?usi=000-190100-004102-015642-C nms.scran.ac.uk (1)] ::*[http://nms.scran.ac.uk/database/record.php?usi=000-190-004-016-C nms.scran.ac.uk (2)]
|-
| colspan="2"|