PALEOECOLOGICAL ENVIRONMENTAL ASSESSMENT AND RESEARCH LAB, Queens University, Kingston, Ontario http://Biology.QueensU.ca/~pearl/

REVIEW AND ATLAS OF PALAEOVEGETATION http://www.soton.ac.uk/~tjms/adams1.html

World of Ice Age Paleoecology by Scot Elias http://culter.colorado.edu:1030/~saelias/elias.html