question on words in Russian anthem

[Gerald J. Sabo]

I am writing this for someone who is not a member of 
SEELANGS, in fact does not teach in the Slavic area.  He is 
a high school history teacher who wants to teach his 
students the words to the pre-Revolutionary Russian anthem.  
In checking the internet, he has found versions that differ 
in the preposition governing the accusative form 
for "glory/slavu"  At times he sees "vo" and in other 
instances "na" as the governing preposition.  He would like 
to know which is the correct or more appropriate phrasing.  
Plese send any responses to me at <gsabo at jcu.edu> and I will 
forward them to him.  Thanks for all your help-Jerry Sabo.

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