The Sultan and his suite on their way to the mosque on a Friday.
The Sultan going to mosque.
AULDJO, John, Esq. F.G.S. Journal of a Visit to Constantinople, and some of the Greek Islands, in the Spring and Summer of 1833, London, Longman, Rees, Orme, Brown, Green, & Longman, 1835.
State and military institutions - Diplomatic relations
The Gennadius Library - The American School of Classical Studies at Athens