O'Shaughnessy, John, 1927-2023 (Personal Name)

O'Shaugnessy, John. Interpretation in social life, social science, and marketing, 2009: eCIP t.p. (John O'Shaugnessy) data view (b. Aug. 29, 1927)

Columbia Business School directory online, Dec. 7, 2009 (John O'Shaughnessy, Professor Emeritus of Marketing, Faculty Emeriti)

Wikipedia, viewed May 19, 2023 (John O'Shaughnessy (1927 - 11 April 2023) was a British academic and business writer) https://en.wikipedia.org/wiki/John_O%27Shaughnessy_%28academic%29