1. IOR/R/1/1 Reference (shelfmark): IOR/R/1/1 Title: Internal branch proceedings, files and papers Collection Area: India Office Records and Private Papers Languages: English Date Range: 1861-1947 Extent: 5320 files
2. IOR/R/1/2 Reference (shelfmark): IOR/R/1/2 Title: External Branch: Proceedings and files Scope & Content: The files in these series have been included in number IOR/R/1/4/263, IOR/R/1/4/1091 and IOR/R/1/4/523. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1904-1936 Extent: 3 files
3. IOR/R/1/3 Reference (shelfmark): IOR/R/1/3 Title: Frontier Branch: Proceedings Scope & Content: The file in these series has been included in number IOR/R/1/4/1148. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1910 Extent: 1 file
4. IOR/R/1/4 Reference (shelfmark): IOR/R/1/4 Title: General Branch and related branches: Proceedings, files and papers Collection Area: India Office Records and Private Papers Languages: English Date Range: 1891-1947 Extent: 1396 files
5. IOR/R/1/5 Reference (shelfmark): IOR/R/1/5 Title: Miscellaneous books and papers not attributable to particular branches. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1884-1947 Extent: 71 files
6. IOR/R/1/6 Reference (shelfmark): IOR/R/1/6 Title: Working papers associated with the review of the Crown Representative's Records in 1947, the transfer of selected records to United Kingdom authorities, and their subsequent arrangement Collection Area: India Office Records and Private Papers Languages: English Date Range: 1946-1985 Extent: 208 files
7. IOR/R/1/34 Reference (shelfmark): IOR/R/1/34 Title: Baluchistan Collection Area: India Office Records and Private Papers Languages: English Date Range: 1885-1944 Extent: 211 files
8. IOR/R/1/35 Reference (shelfmark): IOR/R/1/35 Title: Kalat Collection Area: India Office Records and Private Papers Languages: English Date Range: 1868-1920 Extent: 13 files
9. IOR/R/1/36 Reference (shelfmark): IOR/R/1/36 Title: Native States agencies: miscellaneous. Scope & Content: The numbering of files in this series is not consecutive. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1942-1947 Extent: 7 files