File contains letters written by Barlett McLennan, Lt.-Col. 5th Regiment Royal Highlanders of Canada, while on duty in Belgium.

The file contains legal documents related to King's Bench cases. Documents include extracts of the burials of Thomas Peck and Gabriel Christie and a declaration of Tiers-Saisis (garnishees) in a case between Ebenezer Baird and William Douglas.

File contains correspondence to Stephen Sewell regarding a legal dispute between John Dimond and R. Olcott.

File contains legal documents, incoming correspondence and draft responses, notes, and ephemera. Legal documents include a release of dower from Jane Eliza Bethune and Alexander Neil Bethune to his brother John Bethune; power of attorney from J. August Belmont to William Brown Junior; Cadastre Abrégé (land ownership list) for the Jenison (or Jennison) fief; draft of an "Abstract from the Books of the Bank of Montreal, exhibiting a general Statement of the affairs of that Institution on the 1st of February 1831, as required by the Act of the Provincial Parliament;" a legal notice issued to John Rose and Thomas Ryan by Griffin and [William F. Coffin?] regarding a legal case involving Edward Ellice, John Forsyth, William Forsyth Grant, and John Blackwood Forsyth; and a power of attorney from Edmond Goebel de Harrant to Frederick Griffin. Incoming correspondence is largely related to Bank of Montreal business. Correspondents include Louis Andre Ducheny, August Belmont, and Robert Milroy, Georges-Barthélemi Faribault, among others.

File contains correspondence and documents primarily related to Griffin's role as solicitor for the Bank of Montreal and his partnership in the firm of Sewell & Griffin. Documents include correspondence to the firm of Sewell & Griffin; a draft of a petition to extend and modify the charter of the Bank of Montreal and a draft charter; correspondence authorizing Edwin Henry King to act as temporary city treasurer; a recipe for J.W. Stevenson's salve; and various ephemera. Notable correspondents include George Moffatt, Henry Starnes, and William Robb.

File contains surveyor reports and other documents related to a case in the Court of King's Bench for the District of Montreal regarding a legal dispute between the Crown and four defendants over the dividing lines between properties in southwestern Quebec. The properties concerned in the case were the augmentation / second concession of Mille-Isles, the first concession of Mille-Isles (Blainville and Riviere du Chene), the seigniory of the Lake of the Two Mountains (Lac des Deux Montagnes), the seigniory of Argenteuil, and Chatham Gore (Gore de Chatham). The defendants named in the case were Eustache-Nicolas Lambert Dumont, Jean-Henry-Auguste Roux for the Seminary of Montreal, Janvier-Domptail Lacroix, and Catherine Jordan (widow of William Claus). The Crown was represented by Charles R. Ogden. Documents include a copy of the judgement, surveyors reports, procès-verbaux, accounting of costs owed for survey work, and an inventory of documents.

File contains documents relating to the court cases of Pierre v. Gabriel S. Chouteau and Mary Charlotte v. Gabriel S. Chouteau, which were heard in St. Louis, Missouri, and the resulting examinations of prominent Montreal judges James Reid, Samuel Gale, and William Badgley. The file notably contains investigative research on the legality of slavery in Canada under French rule and subsequent British rule, with a particular focus on the transition of laws and customs between the two periods during the 1760s-1790s. Documents relate to Griffin's role as counsel for the plaintiffs in Montreal during these examinations and include notes on legal history and precedent; incoming correspondence; drafts of outgoing correspondence; draft memos; questionnaires completed by Samuel Gale, James Reid, and William Badgley; copies of historical legal documents and correspondence relating to the history of slavery in Canada; summaries of evidence on the subject of slavery in Canada; the deposition of Samuel Wentworth Monk; newspaper clippings regarding the cases; and other documents. The majority of incoming correspondence is from Alexander J.P. Garesche, a St. Louis attorney and counsel for the plaintiff in Mary Charlotte v. Gabriel S. Chouteau. Other notable correspondents include Alexander P. Field, David N. Hall, Richard Alexander Tucker, the office of the Governor General, William Badgley, Christopher Dunkin, James Reid, Samuel Gale, and Jacques Viger.

File contains correspondence relating to the Act to Incorporate the Canadian Loan Company, including two letters about typos in the Act, as well as minutes of a meeting to elect a chairman and otherwise organize the company. Notable correspondents include William Badgley and Stewart Derbishire.

File contains incoming and outgoing correspondence regarding the formation and prospects for success of the Canadian Loan Company. Correspondence includes a letter from Charles Ogden to Benjamin Holmes, forwarded to Frederick Griffin, regarding a reluctance to participate in the Canadian Loan Company after the start of the Crimean War, and draft correspondence from Frederick Griffin to Charles Ogden and William Badgley. The file also contains unrelated bills of exchange.

File contains original and copied correspondence regarding the appointment of the Canadian Loan Company's board of directors, its prospects for success, and other company business. Correspondents include Charles R. Ogden, Timothy Tyrell, Benjamin Holmes, and William Badgley.

File contains a letter from the Reverend Andrew Balfour regarding the purchase of shares in the Canadian Loan Company.

File contains documents related to the Canadian Loan Company, including draft correspondence to William Walker, William Rhodes, and Henry John Noad regarding the appointment of the company's directors: William Walker, Benjamin Holmes, George E. Cartier, Charles R. Ogden, William Badgley, Thomas Anderson, Henry John Noad, William Rhodes, and Thomas Ryan. The file also contains bills for advertisements and notices printed in several publications regarding the company's directors, share offerings, and general meetings, as well as related correspondence regarding bill payment.

File contains documents related to legal issues arising out of the settlement of Dr. Edward Black's estate and properties. Documents include notes on legal precedent and timelines of case histories; drafts of motions, correspondence, opinions, and other documents; directions for deeds to be drafted and receipts for the creation of the deeds, among other documents. The file also includes correspondence to Frederick Griffin from John Greenshields, Edward Black's son-in-law, and Hew Ramsay, seeking legal advice and opinions. Other individuals mentioned as parties to the legal actions surrounding the Black estate include John Black, Charles Tait, Alexander McKenzie, Hugh McGillis, Ann Kittson Morrison, John Redpath, and Nancy McKenzie, among others. Documents refer to notarial duties performed by Henry Griffin and John C. Griffin, Frederick Griffin's brother and nephew, both of whom were notary publics. Some of the notes in the file are dated 1895, 18 years after Frederick Griffin's death. It is unknown who made these later notes.

File contains business correspondence addressed to Frederick Griffin in his capacity as a lawyer and solicitor. Some correspondence is annotated in Griffin's hand with the date and details of receipt, draft responses, or other notes. Much of the correspondence is from the Bank of Montreal and 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 Moffatt, Robert LeMoine, among others. File also contains financial and legal documents related to Griffin's work as solicitor and executor of estates, including bank deposit receipts; property tax assessments and receipts; promissory notes; powers of attorney assigned to Griffin by the St. Lawrence Inland Marine Assurance Company and the Bank of Montreal; bills of exchange and protests of bills of exchange; among other documents.

File contains a journal kept by William McLennan for his son William Durie McLennan documenting travels across the Atlantic and in England, Italy, and Spain. The journal includes pasted in postcards, newspaper clippings, and original watercolours and sketches.

File contains a sketchbook with sketches and drawings in pen and ink, watercolour, and pencil of landscapes and architecture in Canada, the United States, and Europe.

File contains a journal and memoranda book belonging to Edward Vennor. Vennor was a provincial customs clerk in Montreal and was married to Harriet Ann Hall. The book contains memoranda of letters received from England; addresses of family and acquaintances; a diary of a sea voyage from Portsmouth; various account balances for the years 1838-1864; assorted memoranda; and notes on the weather and temperature in August 1873. A number of items are interleaved throughout the journal, including a copy of the 1844 annual report of the British American Land Company; a 1838 list of special councillors present at an unknown meeting; lists of expenses; notes; loose account balance sheets; and a Montreal City & District Savings Bank deposit book dating 1882-1884.

File contains land sale agreements for properties in Glengarry County, Ontario. Parties to the agreements include Dougald Cameron and Allan Morrison; Michael Duncan and John and Mary Hart; Malcolm McKellep and William McLennan; Walter and Moses Sutherland and John McBean; and Samuel Falkner and James Falkner. Many of the documents are witnesses by conveyancer John McLennan (1789-1866).

File contains a notebook, presumably owned by John McLennan (1789-1866), containing account balance sheets of various individuals in Glengarry County, Ontario.

File contains financial documents primarily related to John McLeod, including promissory notes and receipts of payments received, account statements, and correspondence regarding monies owed. Other parties in these financial matters include George McBean, John McLennan, Thomas McPherson, John Anderson, Joseph Davidson, and the firm of Desrivieres, Blackwood & Co.

File contains financial documents related to the account of Captain John H. Campbell, managed by John McLennan (1789-1866). Documents include an account balance sheet (addressed to Sir Peregrine Maitland), a statement of expenses and credits, and promissory notes and receipts of payments received.

File contains financial documents related to the estate of the late Donald McLaren of which John McLennan (1789-1866) was executor. Documents include account balance sheets, an indenture for the lease of land, and promissory notes and receipts of payments received.

File contains various historical documents presumably collected by William McLennan. Folder four contains letters patent assigning the management of John Gray's estate to Thomas Dunn, his business partner. The manuscript on vellum is signed by Guy Carleton, Governor of the Province of Quebec from 1768-1778.

File contains historical documents presumably collected by William McLennan. Folder three contains a grant of 200 acres of land in the District of Newcastle in the county of Durham, Ontario, to Margery McIntosh, wife of Alexander McIntosh and daughter of Charles Rose.