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.
Other essential catalogs and resources include:
Borrow Direct enables Columbia University students, faculty, and staff with library borrowing privileges and active e-mail accounts to request material from Brown University, the Center for Research Libraries (CRL), Cornell University, Dartmouth College, Harvard University, the Massachusetts Institute of Technology (MIT), the University of Pennsylvania, Princeton University, and Yale University.
Enables eligible Columbia University affiliates to borrow material from other libraries and universities and obtain copies of articles or book chapters from titles that are not owned or available at Columbia.
The resources listed below can all be found freely online.