The series contains textual records spanning approximately 1802-1895, which reflect Frederick Griffin’s occupation as a lawyer, particularly his position as a solicitor for the Bank of Montreal and his role as counsel for the plaintiffs in Pierre v. Gabriel S. Chouteau and Mary Charlotte v. Gabriel Chouteau, as well as his role as founder of the Canadian Loan Company. Materials include incoming correspondence and draft responses; various financial and legal documents; legal research notes and drafts of legal documents; memoranda; meeting minutes; land and property documents and surveyors reports; newspaper clippings and ephemera; and other documents. Legal and financial documents include bank deposit receipts; property tax assessments and receipts; promissory notes; powers of attorney; copies of historical legal documents; summaries of evidence; depositions; questionnaires from Pierre v. Gabriel S. Chouteau and Mary Charlotte v. Gabriel Chouteau; a copy of a judgement; procès-verbaux; releases of dower; extracts of burials; and a declaration of Tiers-Saisis. Legal research notes and drafts of legal documents include notes on legal precedent and timelines of case histories and drafts of motions, deeds, petitions, charters, opinions, among other documents. Much of the correspondence in the fonds is related to Griffin’s position as solicitor for the Bank of Montreal. Notable correspondents include F.W. Primrose, E.H. King, Lewis T. Drummond, Richard Bladworth Angus, George O'kill Stuart, Hewitt Bernard, Frédéric-Eugène Globensky, David James Greenshields, Ogilvy Moffat, Robert LeMoine, John Greenshields, Hew Ramsay, William Walker, William Rhodes, Henry John Noad, Andrew Balfour, Charles R. Ogden, Timothy Tyrell, Benjamin Holmes, William Badgley, Stewart Derbishire, Alexander J.P. Garesche, Alexander P. Field, David N. Hall, Richard Alexander Tucker, the office of the Governor General, Christopher Dunkin, James Reid, Samuel Gale, Jacques Viger, George Moffatt, Henry Starnes, William Robb, Louis Andre Ducheny, August Belmont, Robert Milroy, and Georges-Barthélemi Faribault, among others.