ˈɪɹdli, ɡˈɪfɚd ˈeɪtʃ., ðə ɹˈeɪlweɪz ʌvðə sˈaʊθ mˈeɪtlənd kˈoʊlfiːldz, pˈʌblɪʃt baɪ ðɪ ɔːstɹˈeɪliən ɹˈeɪlweɪ hɪstˈɔːɹɪkəl səsˈaɪəɾi, ˌɛnˌɛsdˈʌbəljˌuː dᵻvˈɪʒən, sˈɪdni, nˈaɪntiːnhˈʌndɹɪd sˈɪksti nˈaɪn,
Eardley, Gifford H., The Railways of the South Maitland Coalfields, published by the Australian Railway Historical Society, NSW Division, Sydney, 1969,