Materials include a letter from Jane Duval Leiper Kane and her husband, John K. Kane, to his mother, Elizabeth Kintzing Kane. The letter talks about Elizabeth's health problems, says that all arrangements have been made for the family’s return home, and that John is about to leave on a trip with Dr. Patterson (probably Robert M. Patterson, professor at University of Virginia). Dated July 27, 1827.

Materials include a letter from Catharine Schuyler to her niece Elizabeth Wood Kane (Thomas L. Kane's wife). Catharine says she is anxious to hear from Elisha (Elisha Kent Kane) about the climate in Cuba, and she has a question for Tom (Thomas L. Kane) about politics and current events in the United States. No year on item. In the letter Elizabeth is addressed as Bessie. Dated December 17, approximately 1831.

Materials include a letter from John K. Kane to his mother, Elizabeth Kintzing Kane, saying that he is taken away on some law business to Elkton and mentioning his responsibilities with the American Philosophical Society. Dated July 19, 1828.

Materials include a letter from Jane Duval Leiper Kane to her husband, John K. Kane. It talks about her social visit with "Sister Eliza" (probably Jane's sister-in-law Eliza Snowden Leiper) and says that the visit was interrupted by two people who seeemed unsocial. It also gives an update of recent activities. There is no date on the item. Dated approximately 1831.

Materials include an original letter from John K. Kane to his mother, Elizabeth Kintzing Kane, about events on an excursion to Claverack. In the letter John states that he thinks that his Uncle Jacob R. (probably Jacob Rutsen Van Rensselaer, the brother of John's birth mother Alida Van Rennselaer) will be the next governor of New York or at least the next Federal candidate. Dated January 4, 1813.

Materials include a letter from Jane D. Kane to her husband, John K. Kane, saying that she was visiting "papa" (probably John's father, Elisha Kane) and she should return on Friday. No date on item. Dated approximately 1831.

Materials include an original letter from Jane Duval Leiper Kane and John K. Kane to Elizabeth Kintzing Kane; it says that that Jane's sister Martha Gray Leiper Janeway and her family has left. It also says that Helen Leiper and Robert M. Patterson have made arrangements to leave. Dated July 28, 1828.

Materials include a letter from John K. Kane to his mother, Elizabeth Kintzing Kane; it says that he had recently visited his brother-in-law and fellow politician, George Gray Leiper. He also entertained Professor George Tucker from Virginia University(now University of Virginia) and comments on how they are dealing with Dr. Robert M. Patterson’s departure from Pennsylvannia to Virginia. Dated August 3, 1828.

Materials include an original letter from John K. Kane to his father, Elisha Kane; in the letter John says that he refuses to align himself with any of the existing political parties. Dated August 9, 1828.

Materials include a letter from John K. Kane to his mother, Elizabeth Kintzing Kane; it contains an update about Kane's family. Dated July 26, 1827.