R.D. · R. Duffy · Roslyn Ann Duffy
| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Positive Discipline: A Teacher's A-Z Guide, Revised 2nd Edition: Hundreds of Solutions for Every Possible Classroom Behavior Problem | 978-0-7615-2245-4 | 2001 | Ed.D. Jane Nelsen · Linda Escobar · Jane Nelsen · Kate Ortolano · Debbie Owen-Sohocki |
| Positive Discipline for Preschoolers, Revised Second Edition: For Their Early Years - Raising Children Who Are Responsible, Respectful, and Resourceful | 978-0-7615-1515-9 | 1998 | Jane Nelsen Ed.D. · Cheryl Erwin · Roslyn Ann Duffy · Jane Nelsen |
| Positive Discipline: The First Three Years-Laying the Foundation for Raising a Capable, Confident Child | 978-0-7615-1505-0 | 1998 | Jane Ed.D. Nelsen · Cheryl Erwin |
| Positive Discipline: The First Three Years, Revised and Updated Edition: From Infant to Toddler--Laying the Foundation for Raising a Capable, Confident | 978-0-8041-4118-5 | 2015 | Jane Nelsen · Cheryl Erwin M.A. |