Freya Stark
The Southern Gates of Arabia. London: John Murray, 1936
Hugh Scott
In the High Yemen. New York: AMS Press, 1975 reprint
Pascal Maréchaux
Arabia Felix. London: Themes and Hudson, 1979
Jacques Hébert
Yémen: Invitation au voyage en Arabie heureuse. Montréal: Héritage, 1989
Jacques Hébert
Yemen: Invitation to a Voyage in Arabia Felix. Alan Brown trans. Montréal: Heritage Publishing, 1989
Tony Horwitz
Baghdad Without a Map, And Other Misadventures in Arabia, New York: Dutton, 1991. Includes an account of a qat session.
Eric Hansen
Motoring with Mohammed: Journeys to Yemen and the Red Sea. New York: Vintage Directions, 1992
Pertti Hamalainen
Yemen. Third Edition. Hawthorn, Australia: Lonely Planet Publications, 1996
Tim Mackintosh-Smith
Yemen: Travels in Dictionary Land. London: John Murray, 1997
Harold Ingrams
Peace in the Hadramaut in Journal of the Royal Central Asia Society: Volume 25 (October 1938), pp 507 - 541
John Baldry
The Turkish - Italian War in the Yemen 1911 - 1912 in Arabian Studies, Volume 3 (1976), pp. 51 - 65
A. Z. al-Abdu
The Free Yemeni Movement (1940 - 48) and Its Ideas on Reform in Middle Eastern Studies, Volume 15 (January 1979), pp 36 - 48
Leigh Douglas
The Free Yemen Movement: 1935 - 1962 in Contemporary Yemen: Politics and Historical Background. B.R. Pridham, ed., Beckenham, England and Sydney, Australia: Croom Helm Ltd., 1984
Majid Khadduri
Coup and Counter - Coup in the Yemen 1948 in International Affairs, Volume 28 ( January 1952), pp 59 - 68
Harold Ingrams
The Yemen: Imams, Rulers and Revolution. London: John Murray, 1963
David Holden
Farewell to Arabia. London: Faber and Faber, 1966
Manfred W. Wenner
Modern Yemen. Baltimore, Maryland: Johns Hopkins Press, 1967
Dana Adams Schmidt
Yemen: The Unknown War. London: Bodley Head, 1968
Edgar O'Ballance
The War in the Yemen. Hamden, Connecticut: Archon Books, 1971
J.E. Peterson
Yemen: The Search for a Modern State. London and Canberra, Australia: Croom Helm, 1982
Robin Bidwell
The Two Yemens. Boulder, Colorado: Westview Press, 1983
B.R. Pridham, editor Contemporary Yemen: Politics and Historical Background. Beckenham, England and Sydney, Australia: Croom Helm, 1984