A portion of the World History of Architecture is available online for preview through Google books. Utilize this resource in case you don’t have your book yet. Please note that it is not the entire book and refer to the content page for any pages that may not be available for preview.
http://books.google.com/books?id=IFMohetegAcC&lpg=PP1&pg=PP1#v=twopage&q&f=false
