Materials include a letter from John K. Kane's sister, Alida Van Rensselaer Kane Constable to one of her nephews (probably one of John K. Kane's sons, but the name isn't specified). It mentions a group of letters she is passing on in order to preserve the Kane family name. Dated July 11, 1851.

Materials include a letter from John K. Kane to his mother, Elizabeth Kintzing Kane, saying that Kane feels much better after a lengthy illness, that many students still have not arrived after the break, and includes comments on religious toleration. No date on item. Dated June, approximately 1810.

Materials include an original letter from John K. Kane to his sister, Alida Van Rensselaer Kane Constable, saying that he accepted an invitation to spend time in Middleton before commencement begins in New Haven. Dated September 8, 1817.

Materials include an original letter from John K. Kane to his mother, Elizabeth Kintzing Kane, which said that commencement went well considering his disappointment in his classmates and that he should return home at the end of the month. Dated September 12, 1817.

Materials include a letter from John K. Kane to his mother, Elizabeth Kintzing Kane, that refers to conditions in New England leading up to the Hartford Convention). No year on item. Dated June 11, approximately 1812-1814.

Materials include an original letter from John K. Kane to his mother, Elizabeth Kintzing Kane, that says his plans have been altered as he continues to travel throughout New England. Dated September 14, 1817.

Materials include an original letter from John K. Kane to Alida Van Rensselaer Kane Constable. It gives a description of sights in Boston and Cambridge as well as an elaborate comparison of Harvard and Yale. Dated September 17, 1817.

Materials include an original letter from John K. Kane to his mother, Elizabeth Kintzing Kane, saying that he has arrived in Middleton on his way home. Dated September 26, 1817.

Materials include an original letter from John K. Kane to Alida Van Rensselaer Kane Constable. In the letter Kane tells Constable to be protective of information when writing letters and giving an update of recent activities. Dated October 23, 1817.

Materials include an original letter from John K. Kane to his mother, Elizabeth Kintzing Kane, that said he had recently traveled to visit his uncle Charles Kane and family. Dated February 3, 1813.