This collection consists primarily of personal records of Duncan S. Harper, Sadie Harper Allen, and Frank Allen. It includes 7 diaries of Sadie Harper, covering the years 1890-1898, along with a transcription of each, as well as the original and a transcription of 22 letters written in 1912 by Sadie Harper Allen to family members while she was travelling with her husband in England (London, Manchester, Ambleside, Stratford), Scotland (Edinburgh, Glasgow), and Switzerland.
The writer offers a portrait of pre-war Britain, recording her impressions of the suffragettes, her visit to the House of Commons to hear Prime Minister Asquith, British customs, and of dignitaries attending the Imperial Universities Congress in London. There are 3 additional letters written by Sadie Allen to her family, a letter from John (Jack) Allen to Bill commenting on Sadie Allen's 1912 letters, and Aunt Nellie's account of Sadie and Frank Allen's 1912 trip to Europe, written for publication in a New Brunswick newspaper. Transcriptions of the latter 4 letters are also included.
The collection also includes the original and a transcription of the diary of Duncan Small Harper in which he records details of his 1889 European tour, made primarily in search of medical help for his debilitating muscular disease.
Lastly the collection contains a brief curriculum vitae of Frank Allen; 2 poems composed by him; Allen and Harper families genealogical information; obituary notices for both Frank and Sadie Allen; a newspaper article on Professor Frank Allen, "an inspired physicist;" and photographs of Frank Allen (1912) and Sadie Harper Allen.
The diaries and letters were transcribed by the donor, Lillian B. Allen, prior to 1977.