https://www.college-de-france.fr/en/agenda/seminar/trade-between-the-roman-empire-arabia-and-india-in-the-light-of-archaeological-excavations-in-egypt/why-don-ostraca-texts-found-in-roman-forts-in-the-berenice-desert-tell-us-more-about-eritrean-trade
roman fortsostracatextsfound