Title: Tārīkh Niqābat ʻUmmāl al-Sikkah al-Ḥadīd wa-al-ḥarakah al-niqābīyah fī al-Sūdān, 1906-1961
Subjects: Railroads, Employees, Labor unions, Hayʼat Sikak Ḥadīd al-Sūdān
Places: Sudan
People: Labor unions