A Brief History of Artist Books, from Yale University. Good overview of the term and its history.
Directory of Artists' Book Collections
Book and Assemblage Artists
Oxford Art Online
Video: Kurt Schwiters - Merzbild 24 A
Artist ideas: Robert Rauschenberg, Johanna Drucker, Louise Nevelson, etc.
Keyword ideas: Collage, assemblage, decoupage, artists' books, book arts, bookbinding, montage, pastiche
Altered Book Ideas
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Refworks allows you to create a personal database of references and automatically generate formatted bibliographies for your projects.