Sims-Williams 1980, p. 120 Sims-Williams, Ursula (1980), "The Afghan Newspaper Siraj al-Akhbar", Bulletin (British Society for Middle Eastern Studies, vol. 7, no. 2, London, Taylor & Francis Ltd, pp. 118–122, doi:10.1080/13530198008705294, ISSN0305-6139
Seidt 2001, p. 1,3 Seidt, Hans-Ulrich (2001), "From Palestine to the Caucasus-Oskar Niedermayer and Germany's Middle Eastern Strategy in 1918", German Studies Review, 24 (1 (Feb 2001)), German Studies Association: 1–18, doi:10.2307/1433153, JSTOR1433153
Hughes 2002, p. 474 Hughes, Thomas L (October 2002), "The German Mission to Afghanistan, 1915–1916", German Studies Review, 25 (3), German Studies Association: 447–476, doi:10.2307/1432596, JSTOR1432596
Tinker 1968, p. 92 Tinker, Hugh (October 1968), "India in the First World War and after", Journal of Contemporary History, 3 (4, 1918-19: From War to Peace), Sage Publications: 89–107, doi:10.1177/002200946800300407, S2CID150456443
Seidt 2001, p. 1,3 Seidt, Hans-Ulrich (2001), "From Palestine to the Caucasus-Oskar Niedermayer and Germany's Middle Eastern Strategy in 1918", German Studies Review, 24 (1 (Feb 2001)), German Studies Association: 1–18, doi:10.2307/1433153, JSTOR1433153
Hughes 2002, p. 474 Hughes, Thomas L (October 2002), "The German Mission to Afghanistan, 1915–1916", German Studies Review, 25 (3), German Studies Association: 447–476, doi:10.2307/1432596, JSTOR1432596
Tinker 1968, p. 92 Tinker, Hugh (October 1968), "India in the First World War and after", Journal of Contemporary History, 3 (4, 1918-19: From War to Peace), Sage Publications: 89–107, doi:10.1177/002200946800300407, S2CID150456443
Sims-Williams 1980, p. 120 Sims-Williams, Ursula (1980), "The Afghan Newspaper Siraj al-Akhbar", Bulletin (British Society for Middle Eastern Studies, vol. 7, no. 2, London, Taylor & Francis Ltd, pp. 118–122, doi:10.1080/13530198008705294, ISSN0305-6139