Other
Worcester Art Museum: Online Art Research Resources
Worcester Art Museum offers a search of its own galleries as well as links to search many other organizations and libraries. Another source for online art research.
Other
Dadabase: Online Catalog of the Ny Museum of Modern Art
Search this "dada" base of the NY Museum of Modern Art. There are help topics along the way to aid you in your research. Once you find what you want, you can download the information. There is a new Latin American bibliography as well!