
1) Akkadian literature
Found on
https://www.crosswordclues.com/clue/nabnitu

Nabnitu (`Creature`) is an ancient encyclopedic work of the Old Babylonian period (circa 1800 BCE) that consists of multiple tablets. Its Tablet XXXII (often called as U.3011) is a Sumerian-Akkadian text from Ur, and notable as one of the oldest extant documented examples of musical notation. Although on its own, the tablet is somewhat cryptic, .....
Found on
http://en.wikipedia.org/wiki/Nabnitu
No exact match found.