Start with CLIO to find books and journals in Columbia University library collections.
Then try WorldCat, the largest online catalog in the world, with over 100 million book and journal records, to find materials not available at Columbia.
To find dissertations, check in Proquest Digital Dissertations.
Other important services:
- Borrow Direct
Borrow Direct enables Columbia University students, faculty, and staff to request books only from Brown University, the Center for Research Libraries (CRL), Cornell University, Dartmouth College, Harvard University, Johns Hopkins University, the Massachusetts Institute of Technology (MIT), the University of Pennsylvania, Princeton University, and Yale University.
- Interlibrary Loan enables eligible Columbia University affiliates to borrow material (books, journal articles, microfilm, etc.) from other libraries and universities and obtain copies of articles or book chapters from titles that are not owned or available at Columbia.