Consists of a letter to Thomas Baker Brown from Stuart Oswald of the 'Southern Cross Touring Service' in relation to the organisation and payment of a tour of France in 1926. Also consists of Thomas Baker Brown's response letter, and various other notes made by him relating to the organisation of the tour.

Consists of correspondence between Thomas Baker Brown and Peter H. Liddle of Sunderland Polytechnic. The letters relate to Thomas Baker Brown lending items of his from his time as a World War I soldier to Sunderland Polytechnic for academic research.

Consists of 5 fields cards issued by the British Army and sent by George Brown, Thomas Baker Brown's brother, to his family whilst he was serving as a soldier in France during World War I.

Consists of 123 field cards issued by the British Army and sent to the Brown family from Thomas Baker Brown while he was serving as a soldier in France during World War I. Some are signed 'Derek', a nickname used by Thomas Baker Brown.

Consists of 11 fields cards issued by the British Army and sent to the Brown family by various friends and relatives during World War I.

Consists of a file of newspaper cuttings alongside notes made by Thomas Baker Brown. Includes a 'list of units of territorial forces', 'war-time songs' and 'Field Marshal Kitchener's message to all troops on embarkation'.

Consists of a photograph album created by Thomas Baker Brown on a visit to France in 1926. The photographs relate to places of significance to Thomas Baker Brown in relation to his time spent in France serving as a soldier in World War I.

Consists of a booklet of notes and photographs created by Thomas Baker Brown on a trip to France in 1960. Includes photographs of the two fellow soldier's Thomas Baker Brown took the trip with, as well as monuments and graves in France.

Consists a scrapbook of newspaper articles and clippings relating to World War I, and in particular Thomas Baker Brown. Includes the newspaper clipping announcing Thomas Baker Brown being awarded the Military Medal, as well as a clipping acknowledging Thomas Baker Brown's cousin, Alfred Douglas Mason, died from wounds. The scrapbook was created by Thomas Baker Brown's father.