1.
 |  | Title: Learning to Speak: A Manual for Parents by Philip R. Zelazo, Richard B. Kearsley, Judy A. Ungerer ISBN: 0898593484 Publisher: Lawrence Erlbaum Assoc Inc Pub. Date: 01 September, 1984 List Price: $19.95 Amazon.com Price: $19.95 |
2.
 |  | Title: Developing Theories of Intention: Social Understanding and Self-Control by Philip David Zelazo, Janet W. Astington, David R. Olson ISBN: 0805831428 Publisher: Lea Pub. Date: 01 April, 1999 List Price: $39.95 Amazon.com Price: $39.95 |
3.
 |  | Title: Newborn Attention: Biological Constraints and Influence of Experience by Michael J Salomon Weiss, Philip R. Zelazo ISBN: 0893915254 Publisher: Ablex Publishing Pub. Date: 01 January, 1991 List Price: $179.95 Amazon.com Price: $179.95 |
4.
 |  | Title: Challenges to Developmental Paradigms: Implications for Theory, Assessment and Treatment by Philip R. Zelazo, Ronald G. Barr ISBN: 080580045X Publisher: Lea Pub. Date: 01 December, 1989 List Price: $59.95 Amazon.com Price: $59.95 |
5.
 |  | Title: Development of Autism: Perspectives from Theory and Research by Jacob A. Burack, Tony Charman, Nurit Yirmiya, Philip R. Zelazo, Jacob A. Burac, Ireland) European Congress of Psychology 1997 Dublin ISBN: 0805832459 Publisher: Lea Pub. Date: 01 August, 2001 List Price: $99.95 Amazon.com Price: $99.95 |