American Association of Petroleum Geologists
www.aapg.org

The Society of Exploration Geophysicists
www.seg.org

American Geophysical Union
www.agu.org

Australian Society of Exploration Geophysicists
http://www.aseg.org.au/

Africa Array
http://africaarray.psu.edu/

Canadian Society of Exploration Geophysicists
http://www.cseg.ca/

European Association of Geoscientists and Engineers
www.eage.org

South African Geophysical Association
http://www.sagaonline.co.za/links.htm

University of Texas Library Map Collection
http://www.lib.utexas.edu/maps/index.html

Texas A&M Library
http://library.tamu.edu/portal/site/Library/