Contains letters, the majority of which are sent to John K. Kane in Philadelphia, Pennsylvania; legal documents, including those dealing with Dr. Robert Patterson's bond and mortgage, the Julia Taylor estate, and Girard Bank; and promissory notes, protests of promissory notes, and protests of non-payment of promissory notes. Materials date from between 1817 and 1851.

Bill of Sale from Thomas Diehl to Adam Diehl, selling all of his “household and kitchen furniture” to pay off his debt, [labeled Bill of Sale on outside by John K. Kane?], dated April 8, 1820.

Empty envelope, labeled “Papers belonging to Mr. Adam Diehl,” signed by John K. Kane and on the back “Opened, 27 Sept. 1832, J.K. Kane,” dated November 21, 1820.

Contend include: Letter from George M. Dallas to [John K. Kane], asking Kane to begin with his duties, dated December 27, 1828; Certificate of Appointment of John K. Kane as Attorney and Solicitor for the Mayor, Aldermen and citizens of Philadelphia, signed by George M. Dallas, mayor of Philadelphia, dated January 1, 1829.

Letter from William D. Taylor to John K. Kane, while in Philadelphia, sending the papers “executed and authenticated” (not there), also instructs Kane to keep “the money,” if “obtained,” in Philadelphia banks, dated February 28, 1833.

Memorandum, written and signed by John K. Kane, as a trustee of Mrs. Julia D. Taylor’s (sister of Jane D. Kane) inheritance from Mr. Leiper (her father) he is authorizing her husband to draw on the interest of the inheritance, dated March 12, 1833.

Documents and letters relating to the Commercial Bank of Manchester v. Robert Patterson, dated December 7, 1839 - August 13, 1840.

Letter from the Office of the Attorney General, deals with the case of the Commonwealth v. Francis Bates, Amos W. Muzzey, dated January 28, 1846.

A series of copied letters from John K. Kane to J.M. Read, M.S. Blackman, Kelley, Wharton, and John Hickman, all of them seem to relate to Kane’s retirement from the position of Attorney General, dated July 8, 1846.

Letter from John K. Kane to [Petty Vaughan], has not had the satisfaction of meeting with General Cadwalader although he did send formal transfers of the various mortgages for inspection, dated July 11, 1846.