The ILO Library maintains one of the world's largest collections of national legislation. The collection contains consolidated laws, statutes, decrees and gazettes for over 180 countries and territories in their original languages.
Subject and title access to these materials is provided through the ILO database, Labordoc. To do a quick search for official gazettes:
The ILO's International Labour Standards Department reviews legislation as it is received for its NATLEX database of national labour law. NATLEX essentially operates as an index to the labour laws found in the official gazettes and other legal compilations. Each NATLEX record contains a detailed bibliographic description and is written in one of the three working languages of the ILO (English, French and Spanish).
The online guide How to Find International and National Labour Law provides more detailed information on researching legislation at the ILO.