| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Earthways: Simple Environmental Activities for Young Children | 978-0-87659-156-7 (0-87659-156-X) | 1992 |
| Earthwise: Environmental Crafts and Activities With Young Children | 978-0-86315-158-3 (0-86315-158-2) | 1993 |
C.P. · Carel Peeters · Carl Patterson · Carl Pedersen · Carl Peters · Carl Petersen · Carl Peterson · Carla Paterson · Carla Petersen · Carla Peterson · Carlo Pedersoli · Carlo Petracca · Carlo Pietrucci · Carly Patterson · Carol Paterson · Carol Patterson · Carol Peters · Carol Petersen · Carol Peterson · Carola Petersmann · Carole Peters · Carole Petersen · Caryl Patrick · Charlie Patterson · Charlie Peters · Cheryl Peterson · Crowley Patrick · Cyril Pedrosa