The website of the American Psychological Association related to ethical principles. Provides information about such topics as respecting others, nondiscrimination, sexual harassment, evaluation, assessment, intervention, teaching, training, supervision, and research.
UNICEF maintains a Web site that includes the history of the Convention on Children's Rights, the principles, and the 41 articles (see http://www.unicef.org/crc/).
This fact sheet from Ohio State University provides parents with information about temperament traits, temperament types, and principles to keep in mind when striving to achieve "goodness of fit".