1. WOOS/10/1 Reference (shelfmark): WOOS/10/1 Title: 'Diagram of Pemba Island' Scope & Content: Graphic index showing the extent of the Topographical Survey Field Sheets filed at WOOS/10/3. Portrays coastal outline, principal place names and sheet boundaries. Collection Area: Map Collections Languages: English Date Range: 1911-1912 Extent: 1 map sheet