"MacMillan Reports Signs Of New Ice Age" (Sept. 18, 1924)
"America In Longest Warm Spell Since 1776: Temperature Line Records A 25-Year Rise" (March 27, 1933)
"Major Cooling Widely Considered To Be Inevitable (May 21, 1975)
"Past Hot Times Hold Few Reasons To Relax About Global Warming" (Dec. 27, 2005)