http://www.chatgrispress.com/Other_Services/Classes_Resources_Services/Classes/Advanced_Writing_Skills.htm

http://webinstituteforteachers.orghttp://www-atdp.berkeley.edu/1997/courses/1608.2/writing.html/~phooper/wit2002/writingadv.htm

http://www.tea.state.tx.us/student.assessment/resources/online/2003/grade7/writing.htm

http://www.collegeboard.com/student/testing/ap/sub_englang.html?englang