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Written sources also attest to a large library and madrasa founded by Nizam al-Mulk ( Vizier : 1064 - 1092 ) , as well as many other major cultural institutions .
 Nizam al-Mulk
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Nizam al-Mulk