Incoming Resources
- Houghton Mifflin, Boston, 1989
- Houghton Mifflin, Houghton Mifflin Harcourt, Boston, New York, c2010
- Houghton Mifflin, Boston, 1998
- Houghton Mifflin, Boston, 2007
- Houghton Mifflin, Boston, 2012
- Houghton Mifflin, Boston, ©2010
- Houghton Mifflin, Boston, 2005
- Houghton Mifflin, Boston, 2006
- Houghton Mifflin, Boston, c2009
- Houghton Mifflin, Boston, 2004
- Houghton Mifflin, Boston, 1993
- Houghton Mifflin, Boston, 2008, c2004
- Houghton Mifflin, Boston, 1995
- Houghton Mifflin, Boston, 2003?, c1994
- Houghton Mifflin, Boston, 1988
- Houghton Mifflin, Boston, c2000
- Houghton Mifflin, Boston, 2009
- Houghton Mifflin, Boston, Mass., 2009
- Houghton Mifflin, Boston, 2008