# Robert D. Ballard — Countries

Canonical: https://www.bookquiver.com/robert-d-ballard/countries

- Authors: [Robert D. Ballard](https://www.bookquiver.com/robert-d-ballard)
- Books: 4
- Countries: 2

## Countries

- United States (`en_US`) — 2 books
- Poland (`pl_PL`) — 2 books

The whole shelf, book by book: [Robert D. Ballard.md](https://www.bookquiver.com/robert-d-ballard.md)