
http://www.nagc.org/index.aspx?id=973&terms=twice-exceptional
The National Association for Gifted Children devotes a page of their site to twice-exceptional children. Provided are anecdotes, concrete information, and books and articles that may be of interest.
http://www.cec.sped.org//AM/Template.cfm?Section=Home Council for Exceptional Children
The Council for Exceptional Children is devoted to children who have special education needs. This includes gifted children, physically, mentally, and emotionally challenged children, and twice-exceptional children.
http://www.hoagiesgifted.org/twice_exceptional.htm
Hoagies' Gifted Education Page is well-known in the gifted community and, increasingly, in the twice-exceptional world.
"The Twice-Exceptional Newsletter is the only publication directed squarely at the intersection of giftedness and learning difficulties..."
http://www.uniquelygifted.org/
The Uniquely Gifted website provides resources for individuals parenting or educating gifted children with special needs.
http://www.twicegifted.net/
You will find clear overviews of specific traits associated with various exceptionalities and information about mental and emotional issues the student may face.
.http://www.wrightslaw.com/
Great place to look if this is all new to you. It provides the current state of the law regarding gifted and special education in the United States.
www.AEGUS1.org
AEGUS (Association for the Education of Gifted Underachieving Students) may help you to understand the multitude of reasons why a child may be underachieving.
www.sengifted.org
SENG (Supporting Emotional Needs of the Gifted) is a well-known organization that looks at the affective piece of educating gifted and twice-exceptional children, and how important that piece is.