Materials include a letter from John K. Kane to his mother, Elizabeth Kintzing Kane, that says Philadelphia seems empty in this season, Jane is slowly regaining strength in the mountains, and Dr. Robert M. Patterson is still in town. Dated August 4, 1831.

Materials include a letter from Jane Duval Leiper Kane to her mother-in-law, Elizabeth Kinting Kane, describing her feelings about her trip to the University of Virginia in Charlottesville. Dated August 7, 1831.

Materials include an original letter from John K. Kane to his mother, Elizabeth Kintzing Kane, in which John writes about traveling to Virginia to see his wife and children. He says there is nothing to talk of in Philadelphia except "one's self and the weather." Dated August 10, 1831.

Materials include an original letter from John K. Kane to his mother, Elizabeth Kintzing Kane, saying that he leaves tomorrow for Virginia and sends wishes that they return home safely. Dated August 12, 1831.

Materials include an original letter from John K. Kane to his mother, Elizabeth Kintzing Kane, saying that he is one of three French commissioners, Uncle Elias Kane has entered his office, Washington is dull, and he hopes that she has safe travels. Dated August 8, 1832.

Materials include a letter from Jane Duval Leiper Kane and John K. Kane to Elizabeth Kintzing Kane. In the letter they say that the physician says it is now safe to return to town despite the recent anxiety over cholera; it also says that their sons Tom (Thomas L. Kane) and Elisha (Elisha Kent Kane) have come to love life here in the country. Dated August 22, 1832.

Materials include a letter from John K. Kane to his mother, Elizabeth Kintzing Kane, with a plea for her to return to Philadelphia with the cholera more widespread now in the country than in the town. Dated August 29, 1832.

Materials include an original letter from John K. Kane to his mother, Elizabeth Kintzing Kane, saying that he arrived in Washington late last night. John writes that his uncle Elias Kane is also there with all his family and his cousin Elias Kent Kane is visiting from Illinois. He says that he is leaving tomorrow for Fredericksburg, the commission has promised to supply labor, and he is concerned about the demeanor of Congressional leaders from the South. Dated December 14, 1832.

Materials include an original letter from John K. Kane to his mother, Elizabeth Kintzing Kane, saying that Judge Seth Campbell has not yet arrived. He comments on national politics, and explains that President Andrew Jackson is trying to distribute the Neapolitan Indemnity to the Board of Commissions. Dated December 19, 1832.

Materials include a letter from John K. Kane to Elizabeth Kintzing Kane, saying that he has heard very little news while in Washington, Uncle Elias Kane possesses a most agreeable household, commission duties are quite difficult, and he wishes that her health improves. Dated January 13, 1833.