| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) | 
|---|---|---|---|
| Teaching Pyramid Infant-Toddler Observation Scale for Infant-Toddler Classrooms Manual, Research Edition | 978-1-68125-242-1 (1-68125-242-2) | 2018 | Kathryn M. Bigelow Ph.D · Dr. Judith Carta BA MS PhD · Dr. Mary Louise Hemmeter M.Ed. Ph.D. | 
| Teaching Pyramid Infant-Toddler Observation Scale for Infant-Toddler Classrooms, Research Edition | 978-1-68125-241-4 (1-68125-241-4) | 2018 | Kathryn M. Bigelow Ph.D · Dr. Judith Carta BA MS PhD · Dr. Mary Louise Hemmeter M.Ed. Ph.D. |