• CLIO (Columbia & Barnard catalog)
• Course Reserves
• e-Book Collections
• EDUCAT (Teachers College catalog)
• Pegasus (Law Library catalog)
• WorldCat
• More Library Catalogs

Welcome to the Libraries!

The Columbia University Libraries offer a wide range of research, instruction, and borrowing services to support all levels of academic research.

Hours & Study Spaces

• Check the hours of our libraries, departments and services.
• We offer a variety of study spaces and venues. See which Study Spaces are Open Now!  

Reference & Research Help

• Librarians are available to assist you with research support in person, via e-mail, phone, IM, or by appointment. If you need help, Ask a Librarian.
• Our Research Guides are curated lists of recommended resources (for specific academic disciplines and subjects) from expert librarians. 

Finding Library Materials

• The Libraries' website is a gateway to collections and services.
• CLIO is the libraries' primary search interface. It provides access to many kinds of resources, including books, databases, journals, and articles. 
• Borrow Direct enables you to borrow books directly from other university libraries if the book you need is unavailable or is not owned by Columbia University.
• Interlibrary Loan is the service to use for items that are not available through Borrow Direct, such as journal articles.