Clinical psychologist Jacob Ham on the PAGE approach to creating trauma-informed organizations:

Children’s Hospital of Philadelphia on trauma-informed care:

Weave Youth and Community Services on what it means to provide trauma-informed care:

The Trauma Toolkit for Delivering Trauma-Informed Services: 
Klinic Community Health Centre

Core Values of Trauma-Informed Care

Key Ingredients for Trauma-Informed Care

Neuroscience and Trauma-Specific Care

Teaching children to calm themselves as part of trauma-informed teaching:
New York Times Article

Trauma-informed practices in schools:

Creating trauma-informed classrooms: