Oxford Art Online offers access to easily searchable artistic resources. Through one gateway, users can search for recognized, regularly updated artistic references: 

• Grove Dictionary of Art (formerly 34-volume Encyclopedia edited by Jane Turner, published by Macmillan Publishers, London 1996) – the most important online reference source in visual art from prehistory to the present. It contains more than 45 thousand articles, 21 ths. biographies, over 5 ths. images and half a million bibliographic citations that generated about 7,000 experts from 120 countries of the world.
• Oxford Companion to Western Art (ed. 2001) – one of the best reference materials for Western art studies (links to the largest museums, artists, epochs, styles and techniques, etc.).
• Concise Oxford Dictionary of Art Terms – contains over 1,800 terms, datings, and styles from visual art.

Examples of usage for viewing HERE.