[Excerpt] In this talk I want to trace the development of the field and how international labour law has taken root in five areas: 1) trade legislation (namely, the US and EU Generalized System of Preferences), 2) trade agreements, 3) international organizations, 4) corporate social responsibility, and 5) lawsuits in national courts. In each, I try to give one or two examples of how international labour law works in practice. But first, some background on the international labour law field and my involvement with it.