International Materials on WestlawNext is a global legal research library providing access to a collection of statutes, case law materials, public records, and other legal resources, along with current news articles and business information from providers such as Sweet & Maxwell, Sweet & Maxwell Asia, Ellis Publications, Carswell and Westlaw. The collection covers legal and business materials from selected jurisdictions worldwide, incl. Australia, Canada, European Union, Hong Kong, United Kingdom and the United States. In addition, Westlaw International makes available full texts from over 1,000 journals and law reviews published worldwide.

Westlaw® ES offers case law, legislation, and bibliography content from Editorial Aranzadi combined with legal analysis by Aranzadi's legal experts. Westlaw® ES also provides specialized information such as legal news, practice areas, and company information.

This library enables legal scholars to research the constitutional and political development of every country in the world. It includes the current constitution for every country in its original language format and an English translation, as well as substantial constitutional histories for all countries. It also includes constitutional periodicals, thousands of classic books, other related works such as the World Factbook, links to scholarly articles and online resources, and bibliographic references.