- Public opinion--Turkey--Congresses (1)
- Turkey--Civilization--Public opinion--Congresses (1)
- Turkey--Economic conditions--1960---Public opinion--Congresses (1)
- Turkey--Forecasting--Congresses (1)
- Turkey--Foreign relations--1980---Public opinion--Congresses (1)
- Turkey--History--Congresses (1)
- Turkey--Social conditions--1960---Public opinion--Congresses (1)