Punctuation
Capitalization
http://webster.commnet.edu/cgi-shl/par_numberless_quiz.pl/caps_quiz.htm
Commas
http://webster.commnet.edu/grammar/quizzes/comma_quiz.htm
http://webster.commnet.edu/grammar/quizzes/commas_fillin.htm
http://web2.uvcs.uvic.ca/elc/studyzone/330/grammar/comma.htm
Colons
http://webster.commnet.edu/grammar/marks/colon.htm
http://webster.commnet.edu/grammar/quizzes/nova/nova5.htm
http://web2.uvcs.uvic.ca/elc/studyzone/330/grammar/colons.htm
Semi-colons
http://web2.uvcs.uvic.ca/elc/studyzone/330/grammar/colons.htm
http://dailygrammar.com/381to385.shtml
Punctuation Review
http://webster.commnet.edu/grammar/marks/marks.htm
http://webster.commnet.edu/grammar/quizzes/punct2_quiz.htm
http://webster.commnet.edu/grammar/quizzes/niu/niu12.htm
http://www.pacificnet.net/~sperling/quiz/punctuation1.html
http://www.pacificnet.net/~sperling/quiz/punctuation2.html