Use these encyclopedias and dictionaries, found on the library's first floor, to help you find background information and sources:
Don't forget the encyclopedias in history and culture - they can help you quickly find reliable information about culture, society and other aspects of your topic.
Search this excellent art & architecture encyclopedia for types of structures, and people.
TIP: for particular buildings, first search for the city, choose the entry from "Grove Art Online" and use the left menu to go to "Buildings and Monuments."
Credo is a large collection of encyclopedias and dictionaries on all subjects; it also contains core titles such as the Thames & Hudson Dictionary of 20th Century Architecture.
To browse, check out these titles:
O.R. contains reference information on all subjects. For architecture, try the "Dictionary of Architecture and Landscape Architecture."