- Labour Chronicle, 1, 2
- Labour in Irish History, 1, 2, 3, 4, 5
- Labour Leader, 1, 2, 3
- Labour, Nationality and Religion, 1
- Ladies’ Land League, 1
- Lalor, James Fintan, 1, 2, 3
- Land Acts, 1, 2
- Land War, 1, 2
- Larkin, Delia, 1
- Larkin, Elizabeth, 1
- Larkin, Jim, 1, 2, 3, 4, 5, 6, 7 8, 9, 10, 11, 12, 13, 14, 15, 16, 17
- Leo XIII, Pope, 1
- Leslie, John, 1, 2, 3, 4, 5, 6
- Levenson, Samuel, 1
- Liberal party, 1
- Liberty Hall, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12
- Lissagaray, PO, 1
- Lockout (1913), the Great, 1, 2, 3, 4
- Lowe, General WH, 1
- Lynch, Diarmuid, 1
- Lynd, Robert, 1
- Lyng, John (Jack), 1, 2, 3, 4
- Lyng, Murtagh, 1, 2, 3, 4, 5
- Lyng, Tom, 1, 2, 3, 4, 5