lˈɔːɹən ˈɑːɹ. ɡɹˈeɪəm, "ðə sˈoʊsɪˌoʊpəlˈɪɾɪkəl ɹˈuːts ʌv bˈɔːɹɪs hˈɛsən: sˈoʊviət mˈɑːɹksɪzəm ænd ðə hˈɪstɚɹi ʌv sˈaɪəns" ˈɪn: sˈoʊʃəl stˈʌdiz ʌv sˈaɪəns, vˈɑːl. fˈɪftiːn, nˈoʊ. fˈoːɹ nˈɑːv., nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi fˈaɪv, pˌiːpˈiː.
Loren R. Graham, "The Socio-Political Roots of Boris Hessen: Soviet Marxism and the History of Science" in: Social Studies of Science, Vol. 15, No. 4 (Nov., 1985), pp.