The background and pro and con arguments were written by ProCon.org staff based upon input from the following sources.
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| 40. | Florenz Plassmann and T. Nicolaus Tideman, "Does the Right to Carry Concealed Handguns Deter Countable Crimes? Only a Count Analysis Can Say," Journal of Law and Economics, Oct. 2001 |
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| 43. | Charlie Mathews, "Wisconsin Concealed-Carry Law May Prompt New Ordinances," htrnews.com, July 8, 2011 |
| 44. | Ray Long, "With Deadline Approaching, Illinois Lawmakers Struggle to See Eye to Eye on Concealed Carry," articles.chicagotribune.com, Apr. 10, 2013 |
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| 49. | Radical Gun Nuttery, "Progress in Right-to-Carry," gun-nuttery.com, July 3, 2013 |
| 50. | US Supreme Court, Robertson v. Baldwin, supreme.justia.com, 1897 |
| 51. | Dinesh Ramde, "Senate Votes to Legalize Concealed Carry," host.madison.com, June 15, 2011 |
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| 57. | Ed Marshall, "Former Chicagoan: Concealed Guns Make Me Feel Safer," chicago.cbslocal.com, Mar. 10, 2011 |
| 58. | Teresa Stepzinski, "More Women Carrying Concealed Weapons in Florida," jacksonville.com, Mar. 23, 2014 |
| 59. | Nick Leghorn, "NY Times Proves Concealed Carry License Holders More Law-Abiding Than the Population. Unintentionally," thetruthaboutguns.com, Dec. 28, 2011 |
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| 67. | Law Center to Prevent Gun Violence, "Guns in Public Places: The Increasing Threat of Hidden Guns in America," smartgunlaws.org, July 1, 2011 |
| 68. | Ethan Bronner, "Other States, and Other Times, Would Have Posed Obstacles for Gunman," nytimes.com, July 24, 2012 |
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| 72. | The Gainesville Sun, "Felons Exploit Loopholes in Fla. Concealed Weapons Law," gainesville.com, Jan. 29, 2007 |
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| 74. | Fred Clark, "Concealed Carry Training Requirement Suspended," legis.wisconsin.gov, Nov. 8, 2011 |
| 75. | United States Government Accountability Office (GAO), "States' Laws and Requirements for Concealed Carry Permits Vary across the Nation," gao.gov, July 2012 |
| 76. | Patrick Marley, "Committee Suspends Training Requirement for Concealed Weapons," jsonline.com, Nov. 7, 2011 |
| 77. | Southern Illinois University, "Poll: Gun Related Issues Evenly Divide States Voters," news.siu.edu, Mar. 10, 2014 |
| 78. | Amy Thompson, et al., "Student Perceptions and Practices Regarding Carrying Concealed Handguns on University Campuses," Journal of American College Health, July 2013 |
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| 94. | Maura Ewing, "Do Right-to-Carry Gun Laws Make States Safer?," theatlantic.com, June 24, 2017 |
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| 109. | Tierney Sneed and Ariane de Vogue, "Supreme Court Strikes Down New York Concealed Gun Law," cnn.com, June 23, 2022 |
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