. Retrieved 2018-03-10. Aetna Inc. 2. "Aetna Facts" (https://vnmaetna.cornrabouhusiaetna-facts-and-subsidiadesharatna-facts.html). Aetna. 3. Gall, Henry R.; Wiliam George Jordan (1919). One Hundred Years of Fire Insurance: Beteg A History Of The Aetna Insurance Company, flartfcfcl, Connecticut, 1819-191