*Note:  Microfilm copies of doctoral dissertations are now shelved at the offsite shelving facility (ReCAP).  When requested through CLIO, the dissertation will be delivered within a few business days to any Columbia University library.  Dissertations may also be available in other formats.  Consult CLIO or a staff member for more information.

For Periodicals Holdings, consult CLIO. (See section: How to search for serials).
For Microforms Holdings, consult both CLIO and the card catalog.
Both collections are non-circulating, but copiers and microform reader/printers and scanners are available for use.