Incoming Resources
- Houghton Mifflin Company, Boston;, New York, 1967
- Houghton Mifflin and company, Boston;, New York, 1900
- Houghton, Mifflin and Company, Boston;, New York, 1890, The Riverside Press, Cambridge
- Houghton, Mifflin and company, Boston;, New York, 1891 c1888
- Houghton Mifflin Company, Boston;, New York, 1932