Bibliography:

- http://www.library.fordham.edu/res_guid/art&architecture/art_arch.htm -

- http://www.fordham.edu/halsall/mod/1848guizot.html -

- http://www.vitruvio.ch/arc/masters/labrouste.htm -

- Space, Time, and Architecture, S. Giedion,

Cambridge: Harvard University Press, 1956 -

- An Outline of European Architecture, Pevsner Nikolaus,

Pelican Books, 1943, Great Britain -

-Modern Architecture, Hitchcock,

Payson and Clarke, 1929, New York -

- Great Architecture of the world, Norwich John Julius,

Bonanza Books, 1950, New York -