ThomasV kindly pointed me to the page
http://wikisource.org/wiki/Wikisource:Subdomains_coordination
Thank you sir.
I find the following
|ar=:
|bn=:
|cs=Autor:
|fr=Auteur:
|hr=Autor:
|hy=:
|it=Autore:
|la=Scriptor:
|no=Forfatter:
|pt=Autor:
|sv=Författare:
|th=:
|tr=Kisi:
|vi=Tác_gia:
which I will code into place
interestingly for the language component of
the main part of
[[:Commons:Template:Wikisource]]
I only find the following languages in place
|en=[[Wikisource]] has a page about this at:
|es=Verlo en [[Wikisource]] :
|fi=[[:fi:Wikiaineisto|Wikiaineistossa]] on
aiheesta lisää seuraavalla sivulla:
|fr=Voir sur [[Wikisource]] :
|it=[[Wikisource]] ha una pagina su questo
argomento:
|nds=Op [[Wikisource]] gifft dat dor ok wat
to:
|pr=Veja-lo no [[Wikisource]] :
|vec=Varda su [[Wikisource]]:
so some wikis may wish update that.
Regards, Andrew