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Its initial stock , about 18,000 volumes , was made up by gathering the collections received from the Law Academy of Sibiu , the Medical School and Government Archives of Cluj , and those of Iosif Benigni 's rich private collections .
 Sibiu
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Sibiu