- Nypheum dates to the late Antonine / early Severan period. Located between the arched North gateways of the city
- Özdemir, M. Tuncay, and Bilal SÖĞÜT. “The North City Gate and The North Street.” From Antiquity to Modern Times Stratonikeia (Ed. B. Söğüt), 2024. https://www.academia.edu/145532347/The_North_City_Gate_and_The_North_Street
