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^"Museum Aide to Head The Yale Art Gallery". The New York Times. 3 January 1957. p. 10.
^Shestack, Alan. "Andrew Carnduff Ritchie". Yale University Art Gallery Bulletin. No. 37 no. 2 (Summer 1979). pp. 12–13.
^Russell, John (30 August 1978). "Mr A. C. Ritchie". The Times London. p. 14.