Abuse or Neglect Reporting System for Professionals, Texas Department of Family and Protective Services, February 1, 2004.

American Red Cross Disaster Preparedness
"Facts about Sheltering in Place", Department of Health and Human Services, Centers for Disease Control and Prevention, May 21, 2003.

Federal Emergency Management Agency
"How to Shelter in Place" National Institute for Chemical Studies, Charleston, West Virginia, May 2004.

Jane's School Safety Handbook, Texas Department of Public Safety, Austin, Texas, 2001.

"Practical Information on Crisis Planning: A Guide for Schools and Communities", Office of Safe and Drug-Free Schools, United States Department of Education, May 2003.

Sorenson, John H., and Vogt, Barbara M., "Will Duct Tape and Plastic Really Work? Issues Related to Expedient Shelter in Place." Oak Ridge National Laboratory, United States Department of Energy. August, 2001.

Schumpert, Barry, "Questions and Answers Regarding Actions to Take When Ending Shelter-In-Place." Oak Ridge National Laboratory, United States Department of Energy, September, 2003.