1. IOR/L/PS/20/FO80 Reference (shelfmark): IOR/L/PS/20/FO80 Title: Foreign Office Prints: Siam Collection Area: India Office Records and Private Papers Languages: English Date Range: 1899-1902 Extent: 1 volume
2. IOR/L/PS/20/FO80/1 Reference (shelfmark): IOR/L/PS/20/FO80/1 Title: Further correspondence respecting the affairs of Siam Part X 1898 Collection Area: India Office Records and Private Papers Languages: English Date Range: Aug 1899 Extent: v, 93pp
3. IOR/L/PS/20/FO80/2 Reference (shelfmark): IOR/L/PS/20/FO80/2 Title: Further correspondence respecting the affairs of Siam Part XI 1899 Collection Area: India Office Records and Private Papers Languages: English Date Range: Mar 1900 Extent: xi, 133pp
4. IOR/L/PS/20/FO80/3 Reference (shelfmark): IOR/L/PS/20/FO80/3 Title: Further correspondence respecting the affairs of Siam Part XII 1900 Collection Area: India Office Records and Private Papers Languages: English Date Range: May 1901 Extent: x, 111pp
5. IOR/L/PS/20/FO80/4 Reference (shelfmark): IOR/L/PS/20/FO80/4 Title: Further correspondence respecting the affairs of Siam Part XIII 1901 Collection Area: India Office Records and Private Papers Languages: English Date Range: Nov 1902 Extent: ix, 110pp