Consists of: Correspondence of the Brown family during World War I. Photographs taken in France and England both during and after the war. Includes photographs of buildings damaged by bombing, memorials and graves, and reunion events after World War I. Maps covering areas of France, Germany and Austria, some of which show the position of trenches in World War I. Memorabilia relating to World War I including newspaper clippings, posters and documents. Publications including journals and comics published during World War I, as well as historical and creative works relating to, and published after, World War I.

The Napoleon Collection contains books written in French as well as English language materials, published in the Twentieth Century with the exception of three nineteenth-century items. The books relate to Napoleon (1769-1821), the Napoleonic Wars and to the French empire and include 'notes and reminiscences' as well as histories.

Consists of letters and documents covering the life and work of Sir Lawrence, primarily relating to his time working for the Royal Air Force during World War I and World War II.

Consists of the professional and personal papers of Professor Frederick Charles Pybus. This also includes papers regarding his rare books and manuscripts collection.