Incoming Resources
- Puffin Books, s.l., 1977
- s.n., s.l., c1976
- ParentMagic, distributed by Independent Publishers Group, Glen Ellyn, Ill., s.l., c2010
- P3 International Corporation, s.l., 2006
- s.n., s.l., c1977, Badger Freund, Fond du Lac, Wis.
- Rodale, distributed to the trade by Macmillan, New York, s.l., c2008
- Atlantic Monthly Press, distributed by Publishers Group West,, New York, s.l., 2013
- Distributed by Thinkfilm, s.l., 2005
- s.n., s.l., 2012
- Worthing, s.l., c1976
- J. Phunn, s.l., 1979, Adams Press, Chicago