African American:

http://afroamculture.about.com/culture/afroamculture/mbody.htm
http://www.cr.nps.gov/aahistory/
http://www.nbufront.org/
http://www.theodora.com/flags
 

Asian American / Pacific Islander:

http://www.geocities.com/Tokyo/7210/graphic.html
http://www.geocities.com/Tokyo/7210/japanlink.htm
    This is the "Japan Ring" providing hundreds of Japanese cultural links.
 

Hispanic:

http://edweb.sdsu.edu/people/cmathison/truths/latino.html
http://literacynet.org/lp/hperspectives/process.html
    This site is a handbook for non-Hispanic adult educators.  It includes a table of contents and many crossreference, linked sites.
 

Native American:

http://darkwing.uoregon.edu/~committees/longhouse/page10.htm
http://members.aol.com/indianbrav/haic.html
http://eighttribes.org/itc/
http://www.greatdreams.com/nalinks.htm
http://www.ableza.org/dodont.html
    This page offers helpful hints on teaching Native American culture.
http://www.nativeweb.org/