^Office of the Secretary of State (November 2, 2004). "Race Summary Report". 1992 - Current Election History. Texas Secretary of State. Archived from the original on November 8, 2006. Retrieved March 28, 2012. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
^Office of the Secretary of State (November 7, 2006). "Race Summary Report". 1992 - Current Election History. Texas Secretary of State. Archived from the original on November 8, 2006. Retrieved March 28, 2012. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
^Office of the Secretary of State (November 4, 2008). "Race Summary Report". 1992 - Current Election History. Texas Secretary of State. Archived from the original on November 8, 2006. Retrieved March 28, 2012. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
^Office of the Secretary of State (November 2, 2010). "Race Summary Report". 1992 - Current Election History. Texas Secretary of State. Archived from the original on November 8, 2006. Retrieved March 28, 2012. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
^Office of the Secretary of State (November 6, 2012). "Race Summary Report". 1992 - Current Election History. Texas Secretary of State. Archived from the original on November 8, 2006. Retrieved June 1, 2013. {{cite web}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
Martis, Kenneth C. (1989). The Historical Atlas of Political Parties in the United States Congress. New York: Macmillan Publishing Company. {{cite book}}: Cite has empty unknown parameter: |coauthors= (help)
Martis, Kenneth C. (1982). The Historical Atlas of United States Congressional Districts. New York: Macmillan Publishing Company. {{cite book}}: Cite has empty unknown parameter: |coauthors= (help)