Robert Geran Landen

• Oman since 1856
• Oman since 1856
• The emergence of the modern Middle East
• ʻUmān min al-qarn al-tāsiʻ ʻashar ḥattá al-qarn al-ʻishrīn
• ʻUmān mundhu 1856
• ʻUman mundhu 1856 masiran wa-masiran