Native Americans - Melungeon
This site has all kinds of links to a wide variety of information about Melungeons. For example:
ALHN Melungeon Webpage - This is the Melungeon information page for the American Local History Network.
Appalachian Quarterly Magazine, Wise County (VA) Historical Society- A magazine which regularly covers items on Melungeons. Link to the Melungeon Registry, which traces family histories of many Melungeon families. List of common Melungeon names.
Black Dutch - Six different meanings for the term Black Dutch or Black German.
Black Dutch and Irish, Melungeons, Moravians, Pennsylvania Dutch - Shirley Hornbeck's This and That Genealogy Tips, Genealogy Tips on Black Dutch and Irish, Melungeons, Moravians, Pennsylvania Dutch
Brent Kennedy's response to Virginia DeMarce: Kennedy defending his book after DeMarce wrote a review attacking it.
See this site for many more links to Melungeon data.