This collection consists of miscellaneous ledgers and legal documents of businesses, doctors, etc. in Peterborough, surrounding counties and areas in southern Ontario.

This fonds consists of records from the law firm and practice of Hall, Gillespie, from its beginnings with Robert Dennistoun, to its termination with John Gillespie. This fonds consists of land search books, case files, estate records from probates of wills and succession of duty papers to surety bonds, and lists of assets and debts. It also consists of correspondence, the firm's written history, maps, deeds and associated papers, mortgages, debentures, bills of sale and other legal records. The records in this fonds deal primarily with people and places in the City and County of Peterborough as well as its surrounding area.