Start with CLIO to find books and journals in Columbia University library collections.
To find dissertations, start with Proquest Digital Dissertations. You can also check DART, the European e-theses portal. For French dissertations, see: ABES: SUDOC-Catalogue and STEP (Theses in preparation at French universities).
Some useful subject headings for finding materials in CLIO:
You can ask a librarian through online chat, by email, phone, or in person.
Have a quick question?
Check for the answer in our frequently asked questions.