Steven Levitt (English Wikipedia)

Christopher L. Foote & Christopher F. Goetz (2008-01-31). "The Impact of Legalized Abortion on Crime: Comment" (PDF). Federal Reserve Bank of Boston. Archived from the original (PDF) on 2009-09-30. Retrieved 2008-05-12.

freakonomics.com

"Freakonomics – The hidden side of everything". Archived from the original on 4 December 2016. Retrieved 5 December 2016.
Lapinski, Zack. "Abortion and Crime, Revisited (Ep. 384)". Freakonomics. Retrieved 2021-04-10.

Law (2019-05-20). "New paper by Donohue and Levitt on abortion and crime". Marginal REVOLUTION. Retrieved 2021-04-10.

Donohue, John J.; Levitt, Steven D. (2019-05-20). "The Impact of Legalized Abortion on Crime over the Last Two Decades". Working Paper Series. doi:10.3386/w25863. {{cite journal}}: Cite journal requires |journal= (help)

Joyce, Ted (2004-01-01). "Did Legalized Abortion Lower Crime?". Journal of Human Resources. XXXIX (1): 1–28. doi:10.3368/jhr.XXXIX.1.1. ISSN 0022-166X. S2CID 12900426.

Pollack, Kenneth M. (8 May 2006). "The 2006 Time 100". Time. Retrieved 5 December 2016.^{[permanent dead link]}

"Untitled Document". Archived from the original on 12 August 2005. Retrieved 5 December 2016.
Donahue and Levitt (May 2001). "The Impact of Legalized Abortion on Crime" (PDF). The Quarterly Journal of Economics. CXVI, Issue 2 (2): 379–420. doi:10.1162/00335530151144050.
John J. Donohue III & Stephen D. Levitt (2004). "Further Evidence that Legalized Abortion Lowered Crime: A Reply to Joyce" (PDF). The Journal of Human Resources. Retrieved 2008-12-03.
John J. Donohue III & Stephen D. Levitt (January 2006). "Measurement Error, Legalized Abortion, the Decline in Crime: A Response to Foote and Goetz" (PDF). Retrieved 2008-12-03.

Joyce, Ted (2004-01-01). "Did Legalized Abortion Lower Crime?". Journal of Human Resources. XXXIX (1): 1–28. doi:10.3368/jhr.XXXIX.1.1. ISSN 0022-166X. S2CID 12900426.

"Untitled Document". Archived from the original on 12 August 2005. Retrieved 5 December 2016.
"Freakonomics – The hidden side of everything". Archived from the original on 4 December 2016. Retrieved 5 December 2016.
Christopher L. Foote & Christopher F. Goetz (2008-01-31). "The Impact of Legalized Abortion on Crime: Comment" (PDF). Federal Reserve Bank of Boston. Archived from the original (PDF) on 2009-09-30. Retrieved 2008-05-12.