Early phases of the Dravidian order, Pallava period (610–900). Stages of the Dravidian bracket (after Dubreuil). Plate LXV
Percy Brown (1872–1955)
Brown, Percy. <i>Indian Architecture: Buddhist and Hindu Periods.</i> Bombay: D.B. Taraporevala Sons, 1959. <a rel="nofollow" class="external free" href="https://archive.org/details/in.gov.ignca.18060">https://archive.org/details/in.gov.ignca.18060</a>.