For Levy’s claim Khirbet en-Nahas had something to do with Edom, see here.
The cooking pots.
The Late Iron IIa bowl picture.
The Negebite ware picture.
Levy’s PNAS paper (from where I got the radiocarbon dates from).
For some radiocarbon dates which further confirm the idea Khirbet en-Nahas was founded in the 11th-Late 12th C BC, see here.
The Nahas layers picture.
The Tel Masos picture.
The Arad picture.