Letter from Louisa Dona Crosbie at 14 Charles Street, City Road, London, to her brother Edward William Crosbie in Liverpool, scolding him for not delivering her letter to her friend in Liverpool, and demanding that he do so immediately.

Photograph of infant George Robert Neville Minchin wearing a hat in a pram. Taken 24th September-2nd May 1889. Printed by F. Rich. Photography, Bagshot, Surrey.

Photograph album created by Lt. Col. M. O'Carroll Fitz-Simon, M.C. , who began his military career in Prince of Wales' Leinster Regiment, which was headquartered at Birr. The photographs document a peace-keeping mission the Leinsters undertook in Silesia (now part of Poland) from their departure at Dover on 31 May 1921, through Germany and to their destination of Oppeln (Opole in Poland today). Following the disbandment of the regiment in June 1922, Fitz-Simon joined the King's Own Regiment, Lancaster and the remaining photographs in the album depict scenes from missions in India and Burma. There is also a small number of photographs of people and houses in the Birr area including Whigsborough House, and the burnt out remains of Birr Barracks (following its destruction in the Civil War in July 1922).

Book of photographic prints of 2nd Battalion Prince of Wales's Leinster Regiment Royal Canadians, Jullundur & Amritsar (India) 1911, with annotations on biographical details of subjects.

Booklet commemorating Presentation of Decorations and Medals to the 2nd Battalion The Prince of Wales's Leinster Regiment (Royal Canadians), at Colchester, February 1920.

Four envelopes of tradesmen’s accounts to the 5th Earl, including a few to Lady Rosse, from London, Dublin and Birr tradesmen (primarily the first) for all manner of goods (among them a pendant brooch supplied by C. Faberge,
1910), but excluding accounts for major items connected with Birr Castle and gardens [for which see M/25 and 33 respectively], 1910-18; together with 7 volumes of Birr Castle house-keeping books kept by Lady Rosse/de Vesci and (in one case) her sister, Countess de la Feld, 1910-30. [See also T/30. Not in chronological order.]

Series of Hullmandel lithographs of a view of the Thames, together with a printed 'Plan of the River Thames from Westminster Bridge to Blackfriers Bridge, showing the line of [the] new quay, as proposed by Colonel Trench, MP...'.

Diary written by Benjamin Bloomfield Trench which documents his wife's death. Within the diary Benjamin records her last words, visits from her family, breaking the news to his daughters and her funeral.

One exchange Benjamin recorded shows that Dora Trench knew her death was imminent 'When I came upstairs after dinner she said. "Come & sit near me, we shall not have more evenings together' I asked if she felt worse or had been in pain. She said "No I feel my end is near".'