This web-handout from the Writing Center at the University of North Carolina at Chapel Hill offers user--friendly advice on tackling common Art History research and writing assignments including formal and stylistic analyses, iconology, theory & criticism, and more.
If you've never had to analyze a work of art before, the task can be daunting. The Department of Art & Design at the University of Arkansas, LIttle Rock, offers up great advice on how to approach a work of art in order to write about it (or present on it) later.