Triangle Research Libraries Network (TRLN) is a collaborative organization of Duke UniversityNorth Carolina Central UniversityNorth Carolina State University, and The University of North Carolina at Chapel Hill, the purpose of which is to marshal the financial, human, and information resources of their research libraries through cooperative efforts in order to create a rich and unparalleled knowledge environment that furthers the universities’ teaching, research, learning, and service missions. 

Key Facts & Figures

TRLN is the oldest academic library consortium in the United States. The member libraries’ combined collections include over 20 million volumes. In 2006, prior to the proliferation of electronic monographs, over 70% of the consortium’s print materials were unique to one institution, with only 2% overlap by all four institutions.

Member Libraries