Puppy Development:
This article has been published extensively, with images and charts, in The Bulletin for Veterinary Clinical Ethology, Vol.2, n1-2, pp 6-29, 1994 (Brussels).
http://nwk9.com/dehasse_pupdev.htm
Topics in this article by Dr. Dehasse, behaviorist, veterinarian include:
The main phases in neurological development
The concept of sensitive period
The prenatal period
The neonatal period
The identification phase
The socialization-domestication phase
The emotional self-regulation (homeostasis) phase
The precocious learning-conditioning phase
Weaning-detachment and hierarchization
The cognitive sensitization-rationalization in pre-puberty
Puberty and hierarchization
Discussion and conclusions
Bibliography