The papers of John Robert Mannix. 1921-1990.
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Mannix, John R. (John Robert), 1902-
http://n2t.net/ark:/99166/w60c4v82 (person)
Developed a plan for prepaid hospital insurance which became the foundation of Blue Cross today. From the description of The papers of John Robert Mannix. 1921-1990. (American Hospital Association). WorldCat record id: 25364347 ...