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News Corp Completes Acquisition Of Houghton Mifflin Harcourt …
News Corp - Wikipedia
About News Corp
HarperCollins to Buy Houghton Mifflin’s Trade Publishing Unit
News Corp To Acquire Houghton Mifflin Harcourt Books & Media …
HarperCollins - Wikipedia
News Corp. buys Houghton Mifflin Harcourt books division
News Corporation - Wikipedia
About Us - HarperCollins Publishers
News Corp. buys Houghton Mifflin Harcourt books division