"Alleghany Corp.". Encyclopedia of Cleveland History. Cleveland, Ohio: Case Western Reserve University. 1997-07-10. Retrieved 2009-09-19. http://ech.cwru.edu/ech-cgi/article.pl?id=AC3
"Articles of Incorporation". New York City: Alleghany Corporation. 1986-12-22. Archived from the original on 2009-04-12. Retrieved 2009-09-19. https://web.archive.org/web/20090412091042/http://alleghany.com/CorporateGovernance/Articles.aspx
Funk, Josh (19 October 2022). "Buffett's conglomerate closes $11.6B Alleghany insurance buy". Associated Press. https://apnews.com/article/warren-buffett-nebraska-omaha-business-90b41bfbecf4f12a7a018abd4028a5e7
"Berkshire Hathaway to buy Alleghany in $11.6 bln deal". Reuters. 21 March 2022. Retrieved 2022-03-21. https://www.reuters.com/business/finance/berkshire-hathaway-acquire-alleghany-116-bln-deal-2022-03-21/
Strom, Stephanie (2011-02-11). "Fred Kirby, Who Built Giant Title Insurance Company, Is Dead at 91". The New York Times. ISSN 0362-4331. Retrieved 2020-03-16. https://www.nytimes.com/2011/02/12/business/12kirby.html
"Alleghany Current and Previous Acquisitions & Investments". Archived from the original on 2012-07-05. Retrieved 2012-07-13. https://web.archive.org/web/20120705102757/http://www.alleghany.com/acquisitions-investments/current-past-investments/
"Alleghany Corporation - Investor Relations - SEC Filings - SEC Filings Details". www.alleghany.com. 3 November 2020. https://www.alleghany.com/investor-relations/sec-filings/sec-filings-details/default.aspx?FilingId=14477676
Alleghany and Transatlantic Announce Successful Closing of Merger https://www.alleghany.com/investors-and-news/press-releases/press-release-details/2012/Alleghany-and-Transatlantic-Announce-Successful-Closing-of-Merger/default.aspx
Alleghany Completes Acquisition of R&SA’s RSUI http://www.insurancejournal.com/news/international/2003/07/02/30345.htm
Capitol Transamerica Acquired by Alleghany http://www.insurancejournal.com/news/midwest/2002/01/09/16328.htm
"Alleghany Capital Corporation Announces Jazwares' Acquisition of Kellytoy". www.alleghany.com. 1 April 2020. https://www.alleghany.com/investor-relations/press-releases/press-release-details/2020/Alleghany-Capital-Corporation-Announces-Jazwares-Acquisition-of-Kellytoy/default.aspx
"Alleghany Capital Corporation Announces Jazwares' Acquisition Of Wicked Cool Toys". www.alleghany.com. 1 October 2019. Retrieved 18 December 2020. https://www.alleghany.com/investor-relations/press-releases/press-release-details/2019/Alleghany-Capital-Corporation-Announces-Jazwares-Acquisition-Of-Wicked-Cool-Toys/default.aspx
"Alleghany Current and Previous Acquisitions & Investments". Archived from the original on 2012-07-05. Retrieved 2012-07-13. https://web.archive.org/web/20120705102757/http://www.alleghany.com/acquisitions-investments/current-past-investments/
"History of Alleghany Corporation – FundingUniverse". www.fundinguniverse.com. Retrieved 18 December 2020. http://www.fundinguniverse.com/company-histories/alleghany-corporation-history/
Alleghany Buying Calif. Workers’ Comp Specialist Employers Direct http://www.insurancejournal.com/news/national/2007/05/01/79169.htm
Employers Direct Relaunched as PacificComp to Work With Independent Agents http://www.insurancejournal.com/news/west/2010/04/28/109338.htm
Corporation, Alleghany (13 September 2017). "Alleghany Corporation Announces Sale Of Pacific Compensation Insurance Company". www.prnewswire.com. Retrieved 18 December 2020. https://www.prnewswire.com/news-releases/alleghany-corporation-announces-sale-of-pacific-compensation-insurance-company-300518103.html
"Title Company | Chicago Title Insurance Company". www.ctic.com. Retrieved 18 December 2020. https://www.ctic.com/history7.aspx
Laredo Oil Purchases Stranded Oil Resources Corp https://www.prnewswire.com/news-releases/laredo-oil-purchases-stranded-oil-resources-corp-301201344.html