Mann, Michael (2003). "Little Ice Age"(PDF). In Michael C MacCracken; John S Perry (eds.). Encyclopedia of Global Environmental Change, Volume 1, The Earth System: Physical and Chemical Dimensions of Global Environmental Change. John Wiley & Sons. Archived(PDF) from the original on 9 October 2022. Retrieved 17 November 2012.
Mann, Michael (2003). "Little Ice Age"(PDF). In Michael C MacCracken; John S Perry (eds.). Encyclopedia of Global Environmental Change, Volume 1, The Earth System: Physical and Chemical Dimensions of Global Environmental Change. John Wiley & Sons. Archived(PDF) from the original on 9 October 2022. Retrieved 17 November 2012.