Although the right to work appears in many instruments, the International Labour Organization has pioneered conventions in this field.
www.ilo.org - The International Labour Organization
www.ilo.org/global/standards/lang--en/index.htm- This link goes to the ILO database of International Labour Standards and contains the full text of all relevant conventions adopted by the International Labour Organization
Social and economic rights are a particular feature of the European Union but also appear in the Council of Europe's Social Charter.
www.coe.int/T/DGHL/Monitoring/SocialCharter/ - Council of Europe European Social Charter
ec.europa.eu/social/home.jsp?langId=en - This link goes to the website of the European Union on Employment, Social Affairs and Equal Opportunities. From there, further information can be obtained as well as the texts of relevant instruments.