I'm quite sure I've found bits of Volsunga Saga, but this morning I'm having trouble finding what I found. But I did find the site of Monash University, and I ran a search there, which brought up these hits:
Volsung result set
I see a William Morris 1888 translation mentioned, which seems promising. Here is the WorldCat record for it:
WorldCat page for Morris Volsunga Saga
So you know it's in libraries....