Looking for info on books from 1722

CoinCoins

I've found a little info. Not a whole lot. I'm not even positive they're numis-related. Haven't seen anything anywhere about 3 volumes, but I managed to find volume one.

"Braunschweig-Lüneburgische Chronika" or "Brunswick-Lüneburgische Chronica" (translated)

"Full Title:
Brunswick-Lüneburgische Chronica,
Or: Historical description of the Most Serene Dukes of Brunswick and Lüneburg:
how they originally came from the princely houses of Este and Saxony, what heroic deeds they performed in these lands...: along with the most memorable stories , especially what happens in the land itself. I. Tomus, origin of the Most Serene Dukes of Brunswick and Lüneburg, from the Princely. Houses in East and Saxony, including the old house in Braunschweig-Lüneburg

Contributors:
Bünting, Heinrich (1545-1606)
Letzner, Johannes (1531-1613)
Rehtmeyer, Philipp Julius (1678-1742)

Published:
Brunswick : In transfer Detleff Detleffsen. Printed by Arnold Jacob Keiteln, 1722

Languages: German"

Large. About 14" x 10", and together weigh nearly 16 pounds.

Just looking to learn more, and ultimately I'll need to sell them. Curious about value.