Ce sont les enristrements de 1962 - 1965 - je peu ce dire parce que jŽai acheté le box.
Sorry, my French is TOO bad - I thought this will still be helpfull...:
Searching for Arraus 1980s recordings of the Beethoven Sonatas, I had hopes for this box... As no seller could tell me if they were the 60s or 80s recordings, I bought the box, opened it - and they are the 1960s recordings. No reason to be disappointed - except that I already own them... So I hope this review will help other Arrau admirers not to accidentally double this item in their Sonata collection.
Decca released almost the same music (plus some piano variations on 12 CDs) within one year: