Subject
- Surveys and Surveying61
- Ordnance Survey of Sinai, 1868-6958
- Land40
- Mountains37
- Architecture16
- Architectural Types15
- Religious Buildings15
- Bodies Of Water13
- Rivers13
- Wadis12
- Monasteries11
- Panoramic Photographs9
- Saint Catherine's Monastery (Sinai)9
- Deserts6
- Chapels4
- Archaeological sites3
- Archaeology3
- Rock Formations3
- Science3
- Shelters3