Frumkin, H. American Journal or Preventive Medicine 2001.Beyond Toxicity: Human Health and the Natural Environment. 20(3). Elsevier Science Inc.
Marcus, C. C. and Marni B. 1995. Gardens in Healthcare Facilities: Uses, Therapeutic Benefits, and Design Recommendations. The Center for Health Design, Inc. CA.
Rawlings, R. 1998. Healing Gardens. Willow Creek Press. WI.
Ulrich, R. S. 1984. View through a Window May Influence Recovery From Surgery. Science, Vol. 224: 420-421.
Ulrich, R. S. 2002. Health benefits of gardens in hospitals. Plants for people international exhibition floriade
Wilson, E. O. 1984. Biophilia. HarvardUniversity Press.