al-Tanẓīmāt al-qānūnīyah wa-al-qaḍāʼīyah ladá qabāʼil al-Ḥijāz qabla al-ʻahd al-Saʻūdī: dirāsah muwaththaqah ʻan al-tanẓīmāt al-qānūnīyah wa-al-qaḍāʼīyah li-Qabīlat Ḥarb Call Number KMT449.3 .H37 2000 v.2 ISBN 9960919951
al-Tanẓīmāt al-qānūnīyah wa-al-qaḍāʼīyah ladá qabāʼil al-Ḥijāz qabla al-ʻahd al-Saʻūdī: dirāsah muwaththaqah ʻan al-tanẓīmāt al-qānūnīyah wa-al-qaḍāʼīyah li-Qabīlat Ḥarb Call Number KMT449.3 .H37 2000 V.1 ISBN 9960919951
Tārīkh al-Yaman al-islāmī: fī al-qurūn al-thalathah al-aulá li-al-Hijrah = Tarikh al-Yaman al-islami: fi al-qurun al-thalathah al-aula li-al-Hijrah Call Number DS247.Y47 S25 1975
Yemeni agriculture and economic change: case studies of two highland regions Call Number HD2060.5 .C37 1981
Island of the phoenix: an ethnographic study of the people of Socotra Call Number DS247.A2 N3813 1993 ISBN 0863721370
Agrargeographie der Arabischen Republik Jemen: Landnutzung und agrarsoziale Verhältnisse in einem islamisch-orientalischen Entwicklungsland mit alter bäuerlicher Kultur Call Number S471.Y45 K66 ISBN 392040551X
Contemporary Yemen: politics and historical background Call Number DS247.Y48 C66 1984 ISBN 0709920849