Here are some options you could use, depending on the context:
* Collection: This is a general term that works well for any type of album collection.
* Discography: This refers to the complete set of recorded works by an artist, including albums.
* Catalog: This is a more formal term used for a comprehensive list of albums, especially in a commercial context.
* Anthology: This refers to a collection of albums that are typically representative of an artist's work over a long period.
You could also be creative and use a more descriptive term, such as:
* A stack of albums
* A shelf of albums
* A treasure trove of albums
Ultimately, the best collective noun to use will depend on the specific situation.