Changes
{{Ref|Book=Douglas & Greenaway 1995}}
{{Ref|Book=Giles 1847}}
{{Ref|Book=Giles 1848}}
{{Ref|Book=Gummere 1910}}
{{Ref|Book=Hewitt 1855}}
{{Ref|Book=Ingram 1912}}
{{Ref|Book=Laing 1907}}
{{Ref|Book=Morillo 1996}}
{{Ref|Book=Nelson 1991}}