Index: NOTICE.txt
==================================================================
--- NOTICE.txt
+++ NOTICE.txt
@@ -3,5 +3,8 @@
 
 This product includes software from the normalize.css project
  * https://github.com/necolas/normalize.css (commit 7369f566898b8cefc2649b6a66e112857de4c46f)
  * Copyright © Nicolas Gallagher and Jonathan Neal
  * Licensed under the MIT License
+
+Emblem adapted from page 128 of "Textile school catalog, 1917–1918" (1917)
+https://archive.org/stream/textileschoolcat1718penn/textileschoolcat1718penn#page/107/mode/1up