N Visual arts
NC Drawing. Design. Illustration
NE Print media
NK Decorative arts
NX Arts in general
TR 1-1050 Photography
TR 845-899 Cinematography. Motion pictures
Start here to expand keywords, and to find basic information (about artists and movements).
Be succinct. Practice! Backup your presentation (Dropbox is great - and you get 2GB of free storage)!
Here are a few very basic searching tips (for books and databases) that you should definitely keep in mind when doing your research regardless of the database you are using.