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Frequently asked questions
Who invested in Houghton Mifflin Harcourt?
Houghton Mifflin Harcourt has 1 investors on record on gritt.io.
When did Houghton Mifflin Harcourt last raise funding?
The most recent investment in Houghton Mifflin Harcourt recorded on gritt.io was in June 2016.
What industry is Houghton Mifflin Harcourt in?
Houghton Mifflin Harcourt operates in E-Learning Providers. Find similar E-Learning Providers investors on gritt.io.
Where is Houghton Mifflin Harcourt based?
Houghton Mifflin Harcourt is headquartered in Boston, United States.
