American Institute of Architects, National - What an Architect can do for you.

Amercian Institute of Architects, Pennsylvania

Prairie Avenue Bookstore - Architectural Bookstore

Architectural Web Resource

http://library.nevada.edu/arch/rsrce/webrsrce/contents.html

University of PA Architectural Archives

http://www.design.upenn.edu/archives/archives/index2.htm

E-Architect

http://www.e-architect.com/

Great Buildings Online

http://www.greatbuildings.

com/buildings/World_Trade_Center.html