Papers (16) of François Lefebvre de (or "dit" Bellefeuille), including a certificate of baptism, two receipts, a promissory note, on acte de donation concerning the Seigneurie of Pabas and a ratification of sale. Also present are letters from Jean Lanne (a merchant of Bayonne), René Berrey, Antoine Pascaud (a colonial merchant, married Elisabeth Hertel de Cournayer) Georges Lefebvre de Bellefeuille, Genevieve Lefebvre d'Angeac & Charles-Gabriel-Sébastien de l'Espérauce, all concerned with either trade or family news, as well as a letter from Antoine Lefebvre de Bellefeuille concerning his captivity during the American Revolution.

Papers (12) which include; the creation of a rente viagère; the genealogy of the Lefebvre de Bellefeuille family; and correspondence with J. Schiefflin (plantation at Cayenne), Janvier Leclerc (non-payment of lods et ventes), J.O. Plessis and L.C. Duvert (dispute over seigneurial pew), and Mme. du Serre (widow of Hertel de Cournoyer), her daughter and Thavenet, a priest (concerning claims by these two women on Seigneurie of Cournoyer).

Letters (13) to newspapers concerning both local and provincial politics, largely involving his own activities. Some of these letters were published (eg. see Le Spectateur, Canadien, 9 January 1819 and L'Ami du Peuple, de l'ordre et des lois, 29 May 1833 and 7 May 1834).

Papers (7) which include letters form J.-B. Laviolette and J. Labrie on the death of Angéliqne Marguerite Lefebvre de Bellefeuille and copies of letters to J.R. Rolland (on claim by Mme. du Serre) and J.B. Laviolette (dispute concerning mills), as well as an obligation and an acte de vente.

Letters (11) from Charles-Louis Lefebvre de Bellefeuille, J. Comte, J.R. Rolland, D. Ducharme, C.P. Hervieux, P. Archambault, J.Paquin, F. Turcotte, McGillis and Quiblier concerning the sickness and death of Louise-Angéliqne Lambert Dumont, the widow of Antoine L. de Bellefeuille and from Adelaïde de Salaberry, concerning the death of her father, as well as the burial certificate of Eustache Antoine Lefebvre de Bellefeuille.

Correspondence (8) from Elmire D. Laviolette, Mary McGillis (her sister), William Macdonald and Eustache Antoine Lefebvre de Bellefeuille, mostly concerning family news, but also to do with Lefebvre de Bellefeuille's financial troubles (including one letter written by de Bellefeuille while in hiding). Also present here is a letter from E.A.L. de Bellefeuille to Margaret's father, Hugh McGillis, also written while escaping arrest.

Papers (8) which include: an account of masses to perform and the certificate of baptism of Louis-Charles; a letter from Louis-Charles to Joseph concerning the administration of their seigneurie; and letter to Angélique-Marguerite from her brothers François-Louis, Henri-Nicolas and Louis-Charles, as well as from Louise-Josephte Chartier de Lotbinière.

One undated list of documents concerning the Fiefs Cournoyer, and two letters, one from each of Michel Hertel de Cournoyer and Jacqnes l'Ange Hertel de Cournoyer, her brothers.

Miscellaneous papers (8), including undated notes on being held prisoner and the Hertel de Cournoyer estate, a certificate of baptism, a prisoner's oath, a letter of introduction by Benjamin Davis and three letters from Henry Hamilton

Miscellaneous papers (9), including correspondence from Henry Hamilton (2), John Craigle and Jacques-Philippe de Saint-Ours,(2) the former three concerned with requests for patronage and the latter two with personal financial problems. Also included, here are a receipt, a genealogy of the Hertel de Cournoyer family and an arbitrators' decision on the Hertel de Cournoyer estate.