Menu
Home
People
Places
Arts
History
Plants & Animals
Science
Life & Culture
Technology
Reference.org
Perpend stone
open-in-new
<h2 id="references">References</h2> <ol> <li id="fn:1"><p>"Parpen, parpend" def. 1. Oxford English Dictionary Second Edition on CD-ROM (v. 4.0) © Oxford University Press 2009 <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Richard, H. W.. Bricklaying and Brickcutting,. London: Longmans, Green, and co., 1901. 4. Print. <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>Phillipps, Alfred Edward, ed.. Masonry construction; a guide to approved American practice in the selection of building stone, brick, cement, and other masonry materials, and in all branches of the art of masonry construction. Chicago: American school of correspondence, 1908. 64. Print. <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> </ol>