Incoming Resources
- Mason Crest Publishers, Broomall, PA, c2003
- Nordbok, Mason Crest, Gothenburg, Sweden, Broomall, PA, c2002, c2003
- Mason Crest, an imprint of National Highlights, Inc., Broomall, PA, 2017
- Mason Crest, Broomall, PA, 2017
- Chelsea House Publishers, Broomall, PA, 1997
- Mason Crest, Broomall, PA, c2013
- Mason Crest, Broomall, PA, 2019
- Mason Crest, Broomall, PA, 2015
- Chelsea House Publishers, Broomall, PA, c2000