Religion in den germanischen Provinzen Roms - Google Books

https://books.google.de/books?id=21bD80lpvtgC&pg=PA260&lpg=PA260&dq=Kastell+Gherla&source=bl&ots=EaCrzlsmTX&sig=h2R8Uc3HNzH2npem

English summary: The special structure of the German provinces makes it necessary to examine their 'provincial religion' as a number of regional organizations and not as a unified structure. In order to obtain a complete picture of a 'provincial religion',…