The International Labour Organization (ILO) was established in 1919 and became the first specialized agency of the UN in 1946.
The International Labour Organization is the UN specialized agency which seeks the promotion of social justice and internationally recognized human and labour rights. The ILO formulates international labour standards in the form of Conventions and Recommendations setting minimum standards of basic labour rights.
It has collaborated to and published many highly recognized scientific publication.
Source: ILO website