Cairn offers the most comprehensive collection of French and Belgian journals in social sciences available online. Note that access to newer content is generally not free of charge (moving wall 2 to 5 years).

This catalogue records information in e-journals, e-books, databases, and printed material about themes in the field of the international law. Especially, a large part of the print collection of the Peace Palace Library is searchable through this catalogue. This collection consists of books and materials since 1913.