All Teachers
http://www.nea.org/
National Education Association

http://www.cta.org/home.aspx
California Teachers Association

http://www.newhaventa.org/
New Haven Teachers Association

Ethnic Studies
http://www.ethnicstudies.org/
National Associtaion for Ethnic Studies

Foreign Language
http://www.actfl.org/i4a/pages/index.cfm?pageid=1
American Council on the Teaching of Foreign Languages

Language Arts
http://www.ncte.org/
National Council of Teachers of English

Library
http://www.ala.org/ala/mgrps/divs/aasl/index.cfm
American Association of School Librarians

http://www.csla.net/
California School Library Association

http://www.ala.org/
American Library Association

Literacy
http://www.californiareads.org/ 
California Reading Association

http://www.reading.org/General/Default.aspx
International Reading Association

Mathematics
http://www.nctm.org/
National Council of Teachers of Mathematics

Physical Education
http://www.aahperd.org/Naspe/
National Association for Sports & Physical Education

Science
http://www.nsta.org/
National Science Teachers Association

Social Sciences
http://www.socialstudies.org/
National Council for the Social Studies

Special Education
http://www.naset.org/
National Association of Special Education Teachers

Visual & Performing Arts
http://www.naea-reston.org/
National Art Education Association

http://www.menc.org/
National Association for Music Education