Contains several composition books belonging to Kane as well as four blank postcards and a loose page of notes found in the composition books. The composition books are used for educational purposes, and contain primarily unsent letters from Kane to her mother and others. Later volumes also contain French and Spanish notes, as well as medical notes. The loose page of notes contains a list of alphabetized words, and the postcards depict wolves. Materials date from 1870 to 1882.

Contains two letters addressed to Kane. One is signed by her mother, Elizabeth Wood Kane and mostly discusses family matters. The other is signed "Carrie" and includes a detailed account of the costs of a sacque that Carrie had purchased on Harriet's behalf. The letter from Elizabeth Wood Kane is undated. The letter from Carrie is dated 1891.

Contains four papers related to the life and activities of Kane. These include an unsent letter written by Elisha expressing his affection for one "Florence," a typed statement expressing his resolution not to court Zella Hays for three months in an effort to overcome his feelings for her, and noting his mother's disdain for those feelings, and two papers concerning camping. Materials date between 1891 and 1936.

Contains materials related to the life and activities of Kane. These consist of a medical ledger, and several papers. The ledger details patient names and bills, likely at Kane Summit Hospital. The papers concern daily activities at Kane Summit Hospital, and include an address on the benefits of asbestos surgical dressings given by Evan before the McKean County Medical Society. Materials date between 1895 and 1931.