wˈɪljəmz vˈɪzɪɾᵻd ðə sˈiːn ɪn noʊvˈɛmbɚ nˈaɪntiːnhˈʌndɹɪd sˈɪkstiːn ænd lˈeɪɾɚ mˌeɪd stˈʌdiz fɹʌm ɐ sˈoʊldʒɚ səplˈaɪd fɚðə pˈɜːpəs.
Williams visited the scene in November 1916 and later made studies from a soldier supplied for the purpose.