Comprehensive index of Computer Science Journals by volume and issue.
Includes links to respective digital libraries for many articles.
A swathe of books on Information Visualisation has appeared over the last couple of years. These range from paper collections with introductory chapters, or collections of viewpoints on information visualisation, to one author's particular take on the field.
Try Amazon's Book Search with the term 'information visuali*' to explore the range of available books.