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Date Created
2015
Remove constraint Date Created: <p>2015</p> KeywordChicago
Remove constraint Keyword: <p>Chicago</p> Keywordeight-hour movement
Remove constraint Keyword: <p>eight-hour movement</p> Keywordlabor movement
Remove constraint Keyword: <p>labor movement</p> Resource TypeBook
Remove constraint Resource Type: <p>Book</p>