Contents
Houghton Mifflin
1880-2007
An SVG version of this logo is recommended but not required.
You can help Logopedia by uploading it here.
Houghton Mifflin Harcourt
2007-2012
An SVG version of this logo is recommended but not required.
You can help Logopedia by uploading it here.
Upon purchasing Harcourt, the company was renamed to Houghton Mifflin Harcourt.
2012-present
Community content is available under CC-BY-SA unless otherwise noted.