Great Britain. House of Lords. Record Office.

• Descriptive list of the papers of John Colin Campbell Davidson, M.P., First Viscount Davidson
• Handlist of the papers of William Wedgwood Benn, M.P., First Viscount Stansgate
• Reports and memoranda
• The papers of "Britain in Europe"
• The political papers of the 19th Lord Willoughby De Broke, 1907-1929