The  LST library, comprises approximately 9,700 books, including a rare collection of early Sri Lankan legal literature and contemporary archival material, such as the New Law Reports, Sri Lanka Law Reports, Legislative Enactments, Acts of Sri Lanka, Parliamentary Debates, Law dictionaries, Encyclopedias and Government Gazettes.

The library has special collections including the Sam Kadirgamar QC collection, which was acquired in 1991, and consists of a substantial number of legal texts, Indian, English, South African, and Sri Lankan Law Reports.  All the library materials in this collection are treated as reference materials and law students, researchers, and those who are interested in law are invited to use them in the library.