- FondsPelling - Papers of Henry Mathison Pelling
- Series6 - History of the British Labour movement.
- Subseries2 - Early drafts.
- Item1 - Annotated copy of Pelling's 'The Origins of the Labour Party 1880-1900'.
- Item2 - Bound typescript: 'Origins and Early History of the Independent Labour Party (1885-1900)'.
- Item3 - Bound typescript: 'Origins and Early History of the Independent Labour Party (1885-1900)'.
- Item4 - Bound typescript: 'Origins and Early History of the Independent Labour Party (1885-1900)'.