References in English and Italian:
1- “A History of the Beja Tribes of the Sudan”, by Andrew Paul, published in 1954 by the University Press of Cambridge.
2- “A Narrative of Captivity in Abyssinia” by Henry Blanc, printed 2006 by Biblio Bazaar.
3- “An Introduction to Ethiopic Christian Literature” by J. M. Harden, D.D., LL.D. Canon of St. Patrick's, Dublin, [1871-1931], London, Society for Promoting Christian Knowledge, New York and Toronto : The Macmillan Co., 1926.
4- “A Vocabulary of Beni Amer Dialect of Tigré” by Akio Nakano and Yoichi Tsuge (collaborator), Published by: Institute for the Study of Languages and Cultures of Asia and Africa (1982).
5- “Behind the Modern Sudan” by H.C (Henry Cecil) Jackson, London, Macmillan; New York, St. Martin's Press, 1955.
6- “Comparative Dictionary of Ge‘ez” by Wolf Leslau: Geez-English, English-Geez, with an Index of the Semitic Roots, Wiesbaden: Harrassowitz 1987.
7- “Concise Dictionary of Ge‘ez” (Classical Ethiopic) by Wolf Leslau, Wiesbaden: Harrassowitz 1989.
8- “Eritrea: A Colony in Transition, 1941-52” by Gerald Kennedy Nicholas Trevaskis, London: Oxford University Press for Royal Institute of International Affairs, 1960.
9- “Ethiopic Grammar” by August Dillmann, 2nd ed., edited by Carl Bezold and translated by James A. Crichton. London: Williams and Norgate [reprinted 1974, Amsterdam: Philo Press].
10- “Introduction to Classical Ethiopic” by Thomas O. Lambdin, (Harvard Semitic Studies 24). Cambridge, MA: Scholars Press [reprinted 2006. Winona Lake, IN: Eisenbrauns.]
11- “Islam in Ethiopia” by J. Spencer Trimingham, London, Oxford University Press, 1952.
12- “Lords of the Red Sea”, The History of a Red Sea Society from the Sixteen to the Nineteenth Centuries, by Anthony d’ Avray, 1996, Harrassowitz Verlag, Wiesbaden.
13- “Mahdism and the Egyptian Sudan” by Francis Reginald Wingate, Macmillan, London, 1891.
14- “Ostafrikanische studien” by Werner Munzinger, (Landmarks in anthropology; a series of reprints in cultural anthropology) [Unknown Binding].
15- “Publications of the Princeton Expedition to Abyssinia”, by Enno Littmann, published and printed by Leyden, 1910, Volume II.
16- “Races and Tribes of Eritrea” by S F Nadel, 1944.
17- “Red Sea Citizens: Cosmopolitan Society and Cultural Change in Massawa” by Jonathan Miran, Publisher: Indiana University Press, 2009.
18- “Short grammar of Tigre” by Leslau, Wolf, Publications of the American Oriental Society Offprint Series 18), New Haven: American Oriental Society [Reprinted from Journal of the American Oriental Society 65: 1-26, 164-203 (1945)].
19- “Slaves and Slavery in Muslim Africa”, Vol. 1. by (editor) John Ralph Willis Cass, 1985.
20- “Studies in Sudanese History” by Prof: Yousuf Fadl Hasan, Sudatek Limited, Khartoum, 2003.
21- “The Four Feathers” by A. E. W. Mason, New York, The Macmillan Company london: Macmillan & Co., Ltd., 1903;
22- “The Fung Kingdom of Sennar” by Crawford, O.G.S., 1951, Gloucester, J. Bellows Ltd.
23- “The Nakfa Documents”, the dispatches, memoranda, reports and correspondence describing and explaining the stories of the feudal societies of the Red Sea littoral from the Christian-Muslim Wars of the Sixteenth Century to the establishment 1885-1901 of the Italian Colony of Eritrea, edited and annotated by Anthony d’ Avray in Collaboration with Richard Pankhurst, 2000, Harrassowitz Verlag, Wiesbaden”.
24- “The Native Peoples of Eritrea” by Alberto Pollera (Author), Linda Lappin (Translator), November, 2001.
25- “The Preaching of Islam: A History of the Propagation of the Muslim Faith” by Sir Thomas Walker Arnold, Scond Edition, London, Costable & Co. Ltd., 1913.
26- “The River War” by Winston Churchill, Longmans, Green & Co. London, 1899.
27- “Tigre Grammar and Texts”, (Afroasiatic Dialects, 4), by Shlomo Raz, Malibu, CA: Undena Publications, 1983.
28- “Tigre of Habab: Short Grammar and Texts from the Rigbat People”, Ph.D dissertation, Elias, David L., Harvard University, (2005).
29- “Travels to discover the source of the Nile, in the years 1768, 1769, 1770, 1771, 1772, and 1773 (1790)” by James Bruce, printed by James Ballantyne, Ediburgh, 1804.
30- “Travels and Catholic Mission Among the Mensa, the Bogos, and the Habab”, a translation of the Italian text: “Viaggio e missione cattolica fra i Mensa, i Bogos e gli Habab”, by Giuseppe Sapeto, Rome, 1857.
31- “Travels in Abyssinia and the Galla Country” by Walter Chichele Plowden (1820 - 1860), published by his brother in London in 1868.
32- “Wörterbuch der Tigré-Sprache”, Littmann, Enno and Maria Höfner. 1962, Wiesbaden: Franz Steiner.
33- “Travels to Discover the Source of the Nile”
34- “The Earth and its Inhabitants, Africa”, by Elisee Reclus, edited by A. H. Keane, B. A
35- “Watson Pasha, A Record of the Life-Work of Charles Moore Watson” by Stanley Lane-Poole, Lnr.D. London, John Murray, Albemarle Street, 1919.
Articles:
1. An Article by Jonathan Miran titled: “A Historical Overview of Islam in Eritrea”:
2. “The Habab Tribe”, An Article written by O. G. S. Crawford in the “Sudan Notes and Records” 1955, Vol. 36.
3. Raz, Shlomo, 1997. Tigré. In: R. Hetzron (ed.). Semitic Languages. London: Routledge. 446-456.
4. “Sudan Notes and Records”, Vol. 31, 1950.
5. “Sudan Notes and Records”, Vol. 26, 1945.
6. Carlo Conti Rossini: Note sul Sahel Eritreo, Rivista degli Studi Orientali, Vol. VI, Rome, 1914.
7. “Isreal Oriental Studdies”, Vol. 12, Edt. by Joel L. Kraemer, 1992.
8. Appletons' Annual Cyclopaedia and Register of Important Events of the Year: 1876-95. New Series, Vol. xxvii:
9. “The Rashayida Arabs vs. the State: The Impact of European Colonialism on a Small-Scale Society in Sudan and Eritrea” by William C Young. Journal of Colonialism & Colonial History, Baltimore: Volume 9, Number 2, Fall 2008.
10. “Constructing and Deconstructing the Tigre Frontier Space In the Long Nineteenth Century” by Jonathan Miran, Western Washington University, in the the International Workshop Naples, February 7-8, 2008.