British Standards Institution (BSI), UK National Standards Body: www.bsigroup.com/
ISO: International Organization for Standardization: www.iso.org
ISO Online Browsing Platform (preview tables of content) www.iso.org/obp/ui/
Or standards catalogue (profiles only): www.iso.org/iso/home/store/catalogue_ics.htm
CEN: European Committee for Standardization: www.cen.eu
ANSI: American National Standards Institute: www.ansi.org/
NSSN (National Standards Systems Network) standards search engine: www.nssn.org
CENELEC: European Committee for Electrotechnical Standardization: www.cenelec.eu
ETSI: European Telecommunications Standards Institute: www.etsi.org
IEC: International Electrotechnical Commission: www.iec.ch
IEC standards webstore: http://webstore.iec.ch/