- Houghton Mifflin Harcourt, Boston, Massachusetts, 2014
- Houghton Mifflin Harcourt, Boston, 2014
- Houghton Mifflin Harcourt, New York, 2016
- Houghton Mifflin Harcourt, Boston, c2013
- Houghton Mifflin Harcourt, Boston, 2000
- Houghton Mifflin Harcourt, Boston, ©2013
- Houghton Mifflin Harcourt, Boston ; New York, 2020
- Houghton Mifflin Harcourt, Boston, 2013, ©2013
- Houghton Mifflin Harcourt, New York, 2019
- Houghton Mifflin Harcourt, New York, 2022
- Houghton Mifflin Harcourt, Boston, 2004
- Houghton Mifflin Harcourt, New York, NY, 2021
- Houghton Mifflin Harcourt, Boston, 2018
- Houghton Mifflin Harcourt, New York, NY, 2015
- Houghton Mifflin Harcourt, Boston, 2022
- Houghton Mifflin Harcourt, Boston, New York, 2021
- Houghton Mifflin Harcourt, Boston, New York, c2013
- Houghton Mifflin Harcourt, Boston, Massachusetts, 2021
- Houghton Mifflin Harcourt, Boston, c2011
- Houghton Mifflin Harcourt, Boston, ©2011
- Houghton Mifflin Harcourt, Boston, New York, 2019
- Houghton Mifflin Harcourt, Boston, c1988
- Houghton Mifflin Harcourt, Boston, Massachusetts, 2018
- Houghton Mifflin Harcourt, Boston, 2005
- Houghton Mifflin Harcourt, Boston, New York, 2014
- Houghton Mifflin Harcourt, Boston, MA, 2015
- Houghton Mifflin Harcourt, Boston, 2016
- Houghton Mifflin Harcourt, Boston, 2009
- Houghton Mifflin Harcourt, Boston, New York, New York, 2015
- Houghton Mifflin Harcourt, New York, New York, 2017
- Houghton Mifflin Harcourt, Boston, Mass., c2013
- Houghton Mifflin Harcourt, New York, c2011
- Houghton Mifflin Harcourt, Boston ; New York, 2018
- Houghton Mifflin Harcourt, Boston, 2015
- Houghton Mifflin Harcourt, New York, 2017
- Houghton Mifflin Harcourt, Boston, Massachusetts, 1993
- Houghton Mifflin Harcourt, New York, New York, c2014
- Houghton Mifflin Harcourt, Orlando, c2009
- Houghton Mifflin Harcourt, Boston, Massachusetts, 2019
- Houghton Mifflin Harcourt, Boston, 2020
- Houghton Mifflin Harcourt, Boston, c2008
- Houghton Mifflin Harcourt, Boston, MA, 2023
- Houghton Mifflin Harcourt, Boston, 2013, ©1968
- Houghton Mifflin Harcourt, Boston, 2019
- Houghton Mifflin Harcourt, New York, New York, 2015
- Houghton Mifflin Harcourt, Boston, ©2012
- Houghton Mifflin Harcourt, Boston, c2010
- Houghton Mifflin Harcourt, Boston, c2012
- Houghton Mifflin Harcourt, Boston, MA, 2020
- Houghton Mifflin Harcourt, New York, 2013