1. Mss Eur F140/161 Reference (shelfmark): Mss Eur F140/161 Title: Scope & Content: Letters to Amherst from Frederick, his third son. Collection Area: India Office Records and Private Papers Languages: English Date Range: Aug-Nov 1823 Extent: Unspecified
2. Mss Eur F140/160 (b) Reference (shelfmark): Mss Eur F140/160 (b) Title: Scope & Content: Letters to Amherst from Elizabeth and John Hale. Collection Area: India Office Records and Private Papers Languages: English Date Range: Feb 1823-Sep 1825 Extent: Unspecified
3. Mss Eur F140/160 (a) Reference (shelfmark): Mss Eur F140/160 (a) Title: Scope & Content: Letters to Amherst from his sister Elizabeth and her husband John Hale. Collection Area: India Office Records and Private Papers Languages: English Date Range: May 1817-Dec 1821 Extent: Unspecified
4. Mss Eur F140/162 Reference (shelfmark): Mss Eur F140/162 Title: Scope & Content: Letter to Amherst from the Earl of Carlisle on Frederick's return to England; with another letter on the education of Frederick and William. Dated as: [1822] Jun 1827 Collection Area: India Office Records and Private Papers Languages: English Date Range: 1822-1827 Extent: Unspecified