http://www.deccaclassics.com/de/cat/4759404?
short track samples
This listing shows full singer and conductor lists, so you could look up reviews of the original individual issues using those details...
https://grigorian.com/webstore/view.php?iid=314421
A few positive reviews of the box are here...
https://www.amazon.com/Definitive-Collection-11-CD/dp/B001C9Z35K
It's now selling for $145, so you can't go wrong at $5.