
Links:
[1] http://www.glsen.org/cgi-bin/iowa/all/library/record/2897.html
[2] http://www.glsen.org/binary-data/GLSEN_ATTACHMENTS/file/000/002/2106-1.pdf
[3] http://www.glsen.org/binary-data/GLSEN_ATTACHMENTS/file/000/002/2105-1.pdf
[4] http://nsvrc.org/publications/taxonomy/term/17
[5] http://nsvrc.org/publications/taxonomy/term/18
[6] http://nsvrc.org/publications/taxonomy/term/25
[7] http://nsvrc.org/publications/taxonomy/term/59
[8] http://nsvrc.org/publications/taxonomy/term/30
[9] http://nsvrc.org/publications/reports