Library Search is good for academic research on fashion. Not only does it list all the books that the library holds, it also provides links to content from most of the periodicals literature that we have access to.
As well as searching for a specific topic that you are interested in, look as well at books that cover a broad area. These subject searches may be a useful way to start.
Google books can also be useful for research.
The library takes the following magazines in print. Those marked with an asterisk are also available online.