Литература. История Древнего Востока, тт. 1-2. Fletcher, Banister [en]; Cruickshank, Dan, Sir Banister Fletcher's a History of Architecture Архивная копия от 14 января 2017 на Wayback Machine, Architectural Press, 20th edition, 1996 (first published 1896). ISBN 0-7506-2267-9.Cf. Part One, Chapter 4.