Fletcher, Banister; Cruickshank, Dan, Sir Banister Fletcher's a History of Architecture, Architectural Press, 20th edition, 1996 (first published 1896)bISBN 0-7506-2267-9. Cf. Part Two, Chapter 12.
William Craft Brumfield, A History of Russian Architecture. Seattle and London: University of Washington Press, [1993] 2004. ISBN 0-295-98393-0
