[144] BIDDULPH, opera citata.
      [145] C. MASSON, Various Traavels, ecc. -- A. CUNNINGHAM, Ancient Geography of India; -- C. MARKHAM, Proceedings of the Geographical Society, febbr. 1878.
      [146] Blackwood's Magazine, luglio 1875.
      [147] H. RAWLINSON, Journal of the Geographical Society, 1843.
      [148] RAVERTY, Notes on Afghanistan and some parts of Balochistan.
      [149] WALKER, Journal of the Geographical Society, vol. XXXII, 1862.
      [150] VIGNE, Visit to Ghazni, Kabul and Afghanistan.
      [151] H. RAWLINSON, Journal of the Geographical Society, 1843.
      [152] N. DE KHANIKOV, Mémoire sur la partie méridionale de le Perse orientale.
      [153] B. DE MEYNARD, Dictionnaire de la Perse, par Yakout.
      [154] FERRIER, Voyages en Perse, dans l'Afghanistan, ecc.
      [155] J. MAC NEILL, Journal of the Asiatic Society of Bengal, 1844.
      [156] C. RITTER, Erdkunde, Asien, vol. VIII.
      [157] Journey to the Nord by India.
      [158] N. DE KHANIKOV, opera citata.
      [159] Città dell'Afganistan e del Dardistan, la cui popolazione approssimativa è indicata dai viaggiatori:
      AFGANISTAN.
      Kabul 75,000 ab.
      Kandahnr 60,000 "
      Herat 50,000 "
      Ghazni 8,000 "
      Istalif 5,000 "
      Tsciarikar 5,000 "
      Kaniguram 5,000 "
      Makin 4,000 "
      Gialalabad 3,000 ab.
      Zerni 1,200 "
      DARDISTAN.
      Tall, secondo Raverty 7,500 ab.
      Kalkot " 7,500 "
      Tsciahil " 5,000 "