Provides a listing of agencies and organizations that may provide information useful in researching questions related to substance use and misuse among displaced persons, including those who are homeless, immigrants, or refugees. The more than 30 listings include such organizations as the United States Bureau of the Census, the National Clearinghouse for Alcohol and Drug Information, the National Institute on Alcohol Abuse and Alcoholism and the National Institute of Drug Abuse, the Canadian Centre on Substance Abuse, the Australian National University’s Centre for Immigration and Multicultural Studies, Stockholm University’s Centre for Research in International Migration and Ethic Relations, the Interagency Council on the Homeless and the National Coalition for the Homeless, both based in Washington, D.C., Switzerland’s International Organization for Migration, the University of Minnesota’s Refugee Studies Center, the University of Oxford’s Refugees Studies Programme, the United Nations High Commissioner for Refugees, and the United States Committee for Refugees. Many of these organizations have Web sites that offer immediate access to a variety of materials as well as links to other relevant organizations and resources.