1. WOOS/13/4/2/1 Reference (shelfmark): WOOS/13/4/2/1 Title: Field sheet Collection Area: Map Collections Languages: English Date Range: 1909-1910 Extent: 1 map sheet
2. WOOS/13/4/2/2 Reference (shelfmark): WOOS/13/4/2/2 Title: Reproduction of the field sheet in duplicate Collection Area: Map Collections Languages: English Date Range: 1909-1910 Extent: 2 map sheets
