- LibraryWeb
- The gateway to Columbia University's diverse libraries and services. - CLIO - Columbia Libraries Information Online - The online catalog for most of Columbia's libraries.
- Arthur W. Diamond Law Library - The second largest academic law library in the US.
- Avery Architectural and Fine Arts Library - Architecture and fine arts collection.
- Barnard College Library - Undergraduate library from affiliated school.
- Biological Sciences Library - Collection with strengths in the areas of molecular biology, biochemistry, cell biology, genetics and neurobiology.
- Business and Economics Library - One of the largest U.S. collections on business and economics.
- Digital Library Collections - Access to many online resources and original contributions of digital images, texts, and datasets.
- Electronic Text Service - Provides equipment and services to copy resources into electronic text collections.
- Engineering Library - Engineering collection.
- Health Sciences Library - One of the largest academic health sciences libraries in the US, it serves the Schools of Medicine, Dental and Oral Surgery, Nursing, and Public Health.
- Library of the Jewish Theological Seminary of America - One of the largest collections of Hebraica and Judaica in the world, includes manuscripts, rare books and archival material. Affiliated with Columbia Univ.
- Music and Arts Library - Print items in additional to sound and video recordings.
- Physics and Astronomy Library - Physics and astronomy collection.
- Rare Book and Manuscript Library - Collection of rare, non-circulating materials strong in English and American literature and history, classical authors, and other fields.
- Starr East Asian Library - One of the largest East Asian collections in the U.S.
- University Archives and Columbiana Library (ACL) - Historical records, published materials, and objects relating to the history of Columbia University.
