Incoming Resources
- Houghton Mifflin Co., Boston Mass., 2005
- Houghton Mifflin, Boston Mass., 2011
- Houghton Mifflin Co., Boston Mass., c2006
- Houghton Mifflin, Boston Mass., 1997
- Houghton Mifflin Books for Children, Boston Mass., 2010
- Little, Brown, Boston Mass., c2000
- Houghton Mifflin Harcourt, Boston Mass., 2011
- Houghton Mifflin Books for Children, Boston Mass., 2012
- Houghton Mifflin Harcourt, Boston Mass., 2010
- Houghton Mifflin, Boston Mass., c2004
- Houghton Mifflin Company, Boston Mass., c2003
- Little, Brown, Boston Mass., c1997
- Little, Brown, Boston Mass., c2002
- Houghton Mifflin Harcourt, Boston Mass., c2009