ʃˈænən, fɹˈɛd ˈeɪ., ɐ pˈoʊst mˈɔːɹɾəm ʌvðə lˈeɪbɚsˈeɪfti vˈælv θˈiəɹi, ˌæɡɹɪkˈʌltʃɚɹəl hˈɪstɚɹi, ɹˌoʊmən nˈaɪntiːn dʒˈænjuːˌɛɹi nˈaɪntiːnhˈʌndɹɪd fˈoːɹɾi fˈaɪv: θˈɜːɾi wˈʌn dˈæʃ θˈɜːɾi sˈɛvən.
Shannon, Fred A., A Post Mortem of the Labor-Safety Valve Theory, Agricultural History, XIX (January 1945): 31-37.