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A sequel to " Dune " ( 1965 ) , it was originally serialized in " Galaxy " magazine in 1969 , and then published by Putnam the same year .
 organization: Putnam
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: Putnam