Homeland Security National Risk Characterization
by Henry H. Willis , Mary Tighe , Andrew Lauland , Liisa Ecola , Shoshana R. Shelton , Meagan L. Smith , John G. Rivers , Kristin J. Leuschner , Terry Marsh , Daniel M. Gerstein
by Henry H. Willis , Mary Tighe , Andrew Lauland , Liisa Ecola , Shoshana R. Shelton , Meagan L. Smith , John G. Rivers , Kristin J. Leuschner , Terry Marsh , Daniel M. Gerstein
Cory Doctorow
United States. General Accounting Office
United States. Government Accountability Office.
United States. President (2001-2009 : Bush)
Thomas J. Badey
United States. General Accounting Office
