- Go home or face arrest: billboard crackdown on illegal immigration by Martin Bentham, July 22, 2013, in the London Evening Standard (reporting on events in the UK).
- Nowrasteh on Sowell and Immigration, a blog post by David Henderson, EconLog, July 24, 2013, reviewing two posts by Alex Nowrasteh about Thomas Sowell’s writing on immigration.
- DREAM Act protests and organizers arguing citizenship is not a requirement, July 23, 2013, on the Huffington Post website.
- When Econ Bloggers Changed My Mind, AskBlog, July 26, 2013, where Arnold Kling says Bryan Caplan helped him realize immigration is an important issue.
- Australia unveils a new policy to asylum seekers, July 26, 2013, on the BBC website.
- A Quick Note on “Borders”, by Thomas L. Knapp, July 26, 2013, on Center of a Stateless Society blog.
- Grover Norquist on Open Borders and Historically Racist Immigration Policy, an interview with Reason TV, July 6, 2013.
"The Efficient, Egalitarian, Libertarian, Utilitarian Way to Double World GDP" — Bryan Caplan