--- a/components/timezone/northamerica Thu Jun 19 13:56:30 2014 -0700
+++ b/components/timezone/northamerica Fri Jun 20 07:42:47 2014 -0700
@@ -1019,9 +1019,9 @@
# Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated),
# which I found in the UCLA library.
#
-# <a href="http://www.pettswoodvillage.co.uk/Daylight_Savings_William_Willett.pdf">
# William Willett, The Waste of Daylight, 19th edition
-# </a> (1914-03)
+# <http://cs.ucla.edu/~eggert/The-Waste-of-Daylight-19th.pdf>
+# [PDF] (1914-03)
#
# Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94
# <http://www.jstor.org/stable/1774359>.