1. IOR/R/2/901/419 Reference (shelfmark): IOR/R/2/901/419 Title: File Dis. 32/1890 Mining for Plumbago and Tale - Travancore. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1890 Extent: 1 file
2. IOR/R/2/901/420 Reference (shelfmark): IOR/R/2/901/420 Title: File Dis. 288/92 Mining lease to Messrs. Parry & Co. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1892 Extent: 1 file
3. IOR/R/2/901/421 Reference (shelfmark): IOR/R/2/901/421 Title: File Dis. 145/93 Plumbago mining in Travancore - Memorial from D.M. De Silva of Colombo. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1893 Extent: 1 file
4. IOR/R/2/901/422 Reference (shelfmark): IOR/R/2/901/422 Title: File Dis. 470/95 Plumbago mining - Grant of - lease to Messrs. Parry & Co. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1895 Extent: 1 file
5. IOR/R/2/901/423 Reference (shelfmark): IOR/R/2/901/423 Title: File Dis. 23/11 Monazite Deposits in Travancore - Lease to London Cosmopolitan Mining Co. by the Travancore Government in respect of Collection Area: India Office Records and Private Papers Languages: English Date Range: 1911 Extent: 1 file (in 3 volumes)
6. IOR/R/2/901/424 Reference (shelfmark): IOR/R/2/901/424 Title: File Dis. 56/14 Monazite concession - Travancore Minerals Co. and London Cosmopolitan Mining Co. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1914 Extent: 1 file (in 3 volumes)
7. IOR/R/2/902/425 Reference (shelfmark): IOR/R/2/902/425 Title: File Dis. 1014/16 Monazite concession - Messrs. Hopkin & Williams Collection Area: India Office Records and Private Papers Languages: English Date Range: 1916 Extent: 1 file (in 2 volumes)
8. IOR/R/2/902/426 Reference (shelfmark): IOR/R/2/902/426 Title: File R.Dis. 1472/20 Mines & Minerals - Travancore Minerals Co. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1920 Extent: 1 file (in 2 volumes)
9. IOR/R/2/902/427 Reference (shelfmark): IOR/R/2/902/427 Title: File R.Dis. 1830/24 Mines & Minerals - Zircon sand - Standing permit to Travancore Minerals Co. Collection Area: India Office Records and Private Papers Languages: English Date Range: 1924 Extent: 1 file
10. IOR/R/2/902/428 Reference (shelfmark): IOR/R/2/902/428 Title: File R.Dis. 1916/27 Mines and Minerals - Travancore Minerals Co. Constitution of - new lease executed by - Collection Area: India Office Records and Private Papers Languages: English Date Range: 1927 Extent: 1 file