American Hospital Directory
http://www.ahd.com

National Center for Health Statistics-NCHS
http://www.cdc.gov/nchswww/

Hospital Records Database
http://hospitalrecords.pro.gov.uk/

Department of Health: Statistics
http://www.doh.gov.uk/public/stats1.htm

Statistisches Bundesamt
http://www.gbe-bund.de/

Bundesministerium für Gesundheit
http://www.bmgesundheit.de/