- Highland Cottages in Lochaber
- Hohenzollern
- Holyrood Palace, Edinburgh
- Horizontal Drying Machine
- Horse
- Hotchkiss Revolving Cannon for shell fire
- Hotchkiss six pounder rapid firing non recoil Shell Gun
- House of Pansa at Pompei
- House spider
- Hungarian Girls at Bezdán
- In Sunday Dress, Monostorszég
- Interior of a Peasant’s Hut
- Interior of the Chapel Royal, St. James’s
- Interior of the House of Commons
- Inward View of Stonehenge from the high altar. Aug. 1722
- Jane Addams
- Japanese Warrior
- Jesus carrying the cross
- John Henry Newman
- John Keeble
- John Wesley
- Joseph Hume
- Joseph Mazzini
- Joseph Sturge
- Julia Ward Howe
- Just Married
- Kate Douglas Wiggin
- Katharine Bement Davis
- Keep practising brother
- King Leopold
- King William IV
- King’s College, Cambridge, from the 'Backs'
- Lady and boy discuss a kite
- Lady with a pitcher of lemonade
- Landing of Louis Philippe at Newhaven
- Laocoon
- Leaf Divider
- Little girl at the beach with many other children
- Little girl looking in the mirror
- Little girl on a swing
- Little girl sitting and reading in the garden
- Loading Grain at Braila
- Lobby of the House of Commons
- Long-armed Tarantel Scorpion
- Long-tailed thread scorpion
- Look at the snowman
- Lord Ashley (afterwards Earl of Shaftesbury).
- Lord Brougham (1850)
- Lord Campbell
- Lord Campbell’s Audience of the Queen
- Lord Elgin Stoned by the Mob
- Lord Elgin, Governor-General of Canada
- Lord George Bentinck
- Lord Lyndhurst
- Lord Macaulay
- Lord Melbourne
- Lord Palmerston
- Lord Stanley
- Louisa M. Alcott
- Louise Homer