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Houghton Mifflin Harcourt was created in 1880.
Houghton Mifflin Harcourt is a publishing company, not a place where people live. Hence, it does not have a population in the traditional sense.
Houghton Mifflin Harcourt Learning Technology was created in 1995.
The symbol for Houghton Mifflin Harcourt Company in NASDAQ is: HMHC.
Houghton Mifflin Harcourt Company (HMHC) had its IPO in 2013.