Wikipedia article discusses history, compensation, and laws in various nations like Australia, Brazil, Canada, Germany, Mexico, United Kingdom and the United States... 

http://en.wikipedia.org/wiki/Workers'_compensation

An association of workers' compensation insurance companies from 27 different states, plus 11 workers' compensation boards in Canada... 

http://www.aascif.org/

Provides a venue for exchanging information and experiences between the national organisations which are responsible for the statutory insurance against occupational accidents and occupational diseases... 

http://www.europeanforum.org/

Membership derives from 17 state agencies in the southern USA plus the Virgin Islands. The Association serves as a resource for information, education, professional development, and assistance, and it has associate members from industry... 

http://www.sawca.com/

Workers' compensation research, information, analysis, and news for the international workers' compensation community. A membership association that represents regulators and private sector stakeholders in workers' compensation... 

http://www.iaiabc.org/i4a/pages/index.cfm?pageid=1

Coordinating body comprising the chief executives (or their representatives) of the peak bodies responsible for the regulation or workers compensation in Australia and New Zealand... 

http://www.hwca.org.au/

A non-profit organization that facilitates information exchange about Canadian Worker Compensation Boards and Commissions. Site provides information about the services offered... 

http://www.awcbc.org/