This screencast reviews the semicolon's purpose and provides examples of how to use semicolons correctly with conjunctive adverbs.
Source: Kathryn Reilly
The following websites provide additional information to help writers:
http://www.engl.niu.edu/wac/conjadv.html
http://wps.ablongman.com/long_longman_ohb_1/27/7023/1798009.cw/content/index.html
http://web.cn.edu/kwheeler/documents/conjunctive_adverbs.pdf
Source: see above