The present monograph "The State of Great Saljuqs" based on the textological and critical analysis of Arabian and Persian official documents of 11th-12th centuries compiled in the chancelleries of Buyid rulers and Saljuq sultans. Here investigated ere the language and structure of Saljuq credentials, studied the signs of sultan's power, the old Persian and Turkik theories of kingship, the relations between the caliphate and sultanate, the terms "'adl", "adalat" expressing the conception of justice in the medieval Orient.
Reconstructed are the administrative apparatus of Saljuq state, the social composition of the population of medieval cities of Iran and the neighboring countries. Studied are the commissions and duties of the head of government (vezir), of the officials of departments (divan, davavin), provincial governors, the officials of the religious institutions, the local officials and the owners of mulk and iqta'.
One must note that many social and economic institutions which sprang up or developed during the rise of Saljuqs lasted in their previous forms until the modern times in some countries of Near and Middle East.