What has the author Libertanus written?

There is no widely recognized author named "Libertanus." It's possible you're thinking of a pseudonym or an author whose real name is unknown.

To help me identify the author you're looking for, could you please provide more context? For example:

* What kind of writing are they known for? (e.g., fiction, non-fiction, philosophy, etc.)

* What are some of their most famous works?

* Do you have any other information about them?

With more information, I can hopefully identify the author you're looking for.