Nadin, Alex (2005). "Greek merchant's shop, Gogrial". Collections from Southern Sudan at the Pitt Rivers Museum. Retrieved 15 August 2018.
sssuk.org
Makris, Gerasimos; Stiansen, Endre (April 1998). "ANGELO CAPATO: A GREEK TRADER IN THE SUDAN"(PDF). Sudan Studies. 21. Sudan Studies Society of the United Kingdom (SSSUK): 10–18. Archived from the original(PDF) on 2018-03-10. Retrieved 2018-08-13.
Makris, Gerasimos; Stiansen, Endre (April 1998). "ANGELO CAPATO: A GREEK TRADER IN THE SUDAN"(PDF). Sudan Studies. 21. Sudan Studies Society of the United Kingdom (SSSUK): 10–18. Archived from the original(PDF) on 2018-03-10. Retrieved 2018-08-13.