The Le Rossignol correspondence consists of 45 letters written from Arthur Stanley Le Rossignol to his sister, Constance Ethel, from his position on the Western Front during World War I. There are additional letters written by Arthur (5), Ethel's colleague Pierre Pulinekse (4), Ethel herself to her Aunt Anna Le Rossignol (4), and others. The bulk of correspondence took place in 1918. The letters cover topics of cultural interest, such as British-German animosity and perceptions of the war. Most of Arthur's letters are vague and do not reveal his location or the details of military operations. His correspondence covers the period 1914-1919. All together, there are 52 letters, 42 envelopes, 14 post cards, a photograph album, a telegram, a copy of strategic battle plans, a pamphlet, and other miscellaneous items.

Le Rossignol has been promoted from Staff Lieutenant 1st Class to Staff Captain.

Sent on behalf of The London Committee of the French Red Cross.

There are two letters, one from Le Rossignol, and one from Barrell in response. The response is sent on behalf of Command Payment Base France.