1. American Alliance of Museums (AAM) 2000 Code of ethics for museums http://www.aam-us.org/resources/ethics-standards-and-best-practices/code-of-ethics
2. American Alliance of Museums (AAM) 2013 Museums on call: how museums are addressing health issues www.aam-us.org/docs/default-source/advocacy/museums-on-call.pdf?sfvrsen=8
3. Americans for the Arts 2015 The national initiative for arts & health in the military http://www.americansforthearts.org/by-programme/reports-and-data/legislation-policy/the-national-initiative-for-arts-health-in-the-military
4. American Horticultural Therapy Association (AHTA) 2012 American Horticultural Therapy Association definitions and positions ahta.org/sites/default/files/DefinitionsandPositions.pdf