What is a collective noun of newspapers?

There isn't a single, universally accepted collective noun for newspapers. However, here are some options that work well depending on the context:

Formal:

* A stack of newspapers

* A bundle of newspapers

* A collection of newspapers

Informal:

* A pile of newspapers

* A heap of newspapers

* A batch of newspapers

Figurative:

* A chorus of voices (if discussing the variety of opinions)

* A chronicle of events (if discussing the historical record)

The best option will depend on what you want to emphasize and the specific tone you are aiming for.