Oxford Art Online is the access point for Grove Art Online, Benezit Dictionary of Artists, Encyclopedia of Aesthetics, Oxford Companion to Western Art, and Concise Oxford Dictionary of Art Terms. Includes image partnerships and a digital image search (access limited to the Cornell community).
There are several entries about makers of artists' books, production techniques, and historical methods of production.
Discovering articles about artists' books--the artists who make them, exhibitions, collections, sales, etc., is generally best done through the following databases (access limited to the Cornell community):
Clark, Amanda C. R. “Contemporary Chinese Artists’ Books: New Artistic Voices in a Time of Transition.” Art Documentation: Journal of the Art Libraries Society of North America 34, no. 1 (Spring 2015): 15–28. doi:10.1086/680562.
Drucker, Johanna. “Falling Into.” Journal of Artists Books, no. 13 (Spring 2000): 9–11.