2025-10-272025-10-271333https://openaccess.ircica.org/handle/123456789/4358Gregorian date: 1917.Scale 1:25,000Print 1 col. mapBüyükada-İstanbul-TurkeyOttoman EmpireSedef Island-İstanbul-TurkeyBalıkçı Island-İstanbul-TurkeyPrinces' Islands-İstanbul-TurkeyMap