Biographies of American Architects, 1897-1947
Brief biographies of architects who died between 1897 and 1947, from the American Art Annual and Who's Who in American Art, hosted by the (US) Society of Architectural Historians.
http://www.sah.org/oldsite06012004/aame/bioint.html
Masters
Directory web resources on famous architects and their works, part of Vitruvio.
http://www.vitruvio.ch/arc/masters/masters.php