The file contains information on Clarenceville Academy from 1890 to 1949. It consists of poster advertisement reproduced from 1844, an information pamphlet for elementary and advanced elementary diplomas from 1905, and a minute book for the Trustees of Clarenceville Academy from 1890 to 1949.

The file contains primary source information on the business affairs and property of Morris (a.k.a Mott) C. Derick in Noyan from 1888 to 1955. It consists of deeds of sale, loan agreements, business correspondence, receipts for milk, a journal, court papers, and documents regarding the estate of M.C. Derick.

The file contains primary source information on the Derick family from Missisquoi County from about the 1880s to the 1990s. It consists of photographs depicting a party with CNR employees (including Herbert Derick); a curling team; Ray Derick and sons (Bob, Gerald, Herbert); A.H. Derick's store; Ernest E. Derick; Melvin C. Derick, Morris C. Derick; Ernest E. Derick and family; Truman B. Derick and family; Newbury E. Derick and family; a group of students (including George Derick and Howard Derick); Truman G. Derick and family; Rodney Derick and family; A.H. Derick with baby Frank, L.H. Derick and F. Derick; Calvin and Floyd Derick with Bessie Hislop and Juanita Collins; and Ella and Eunice Derick.

The fonds contains source material on the operations, organization, students, and curriculum of Dunham Ladies' College and St. Helen's School from 1879 to 2020. It consists largely of material from the Dunham Ladies' College period. It is comprised of the following series : Constitution and By-laws (1906), Annual Reports ([190-]-1971), Financial Resources (1901-1918), Student Achievements (1894-1912, 1941-1951), Calendars (1879-1964), St. Helen's School Magazine (1945-1954), Margaret Armour (1946-1948, 1972, 2020) and Miscellaneous Documents (1894-[195-?]).

The file contains primary source information on Benjamin Vaughan Naylor from 1847 to 1919. It consists of a certificate confirmation, three letters by Benjamin (two addressed to Bessie), and photographs, as well as a membership card and insurance plan for his wife, Sarah A. Derick.

The file contains information the 6th Duke of Connaught Royal Canadian Hussars of Montreal from 1872 to 1987. It consists of (largely reproductions) a history, militia lists, acquittance rolls for militia camps, and service rolls, in particular for the Missisquoi Troop of Calvary, as well as notes and correspondence by Herbert Derick. Among the photographs is an image of the 6th Duke of Connaught Hussars at camp house in 1899; the officers at brush up course, Royal School of Calvary at Stanley Barracks in 1910; and members of Squadron A, 6th Duke of Connaught at the Farnham Camp in 1912.

The file consists of primary source material on the business affairs of the Naylor family in Missisquoi County from around the 1870s to 1975. It consists largely of advertisements for steamship excursions and lumber, shipping receipts, an advertisement for Ile-aux-Noix Park, letterhead for "Naylor's summer resort", and a history of the Vaughan and Naylor shipping history.

The file contains primary source information on the personal life, family, and community involvement of Morris (a.k.a. Mott) C. Derick in Noyan from 1867 to 1924. It consists of correspondence from friends and family, as well as letters composed by M.C. Derick. Included among the postcard correspondence are two addressed to Morris' wife, Elizabeth Beerwort. It also contains a ticket for the Harvest Home Festival for Noyan and Clarenceville from 1867 and a membership card for the Farmers Club of Noyan.

The file contains information on the 60th Battalion Missisquoi from 1866 to 1986. It consists of notes by and correspondence to Herbert Derick, subscription books to honour ("testimonial")Lt- Col. Charles Rowe and Capt. J.H. Hawley, reproductions of service rolls and correspondence, and the appoinment of a band committee. The photographs depict the battalion in camp at Pigeon Hill in 1870.

The file contains secondary source information on Lynds Smith Vaughan in Missisquoi County and Selkirk, Manitoba from 1865 to the 1980s. It consists of photocopies from a publication containing family history information, a photocopy of a letter, and a transcript of Lynds S. Vaughan's obituary.

The sub-series contains primary source information on the property of Newbury E. Derick (Sr.) in St. Thomas Parish from 1865 to 1919. It consists mainly of land transactions, a seigneurial rent book, deeds of gifts, last will and testament, postcard correspondence, and account of tutorship for Willard Derick. It also contains the last will and testament of Pamelia Derick (1812-1882).

The file contains primary source information on property belonging to the Naylor family in Missisquoi County from 1862 to 1921. It consists of a land deed and a retrocession from Albert Chapman to Henry Naylor for land in St. Georges de Clarenceville as well as a copy of a letter pertaining to Benjamin V. Naylor's lease and transfer of land on Ile-aux-Noix to the Department of Militia and Defense and the Department of the Interior.

The subseries contains primary and secondary source information on the personal, professional, and military lives of the Naylor family in Missisquoi County and in Manitoba from 1862 to 1992. It consists primarily of correspondence, photographs, biographical notes, family tree research, newspaper clippings, and land deeds pertaining to various members of the Naylor family. The subseries is comprised of the following files: Family research (1911[copied]-1990), Business affairs ([187-?]-[1975]), Property (1862-1921[photocopied]), Agnes A. Naylor (1911-1930), Benjamin V. Naylor (1874-1919), Donald B. Naylor (1914-1992), Elizabeth Bessie Naylor ([190-?]-1960), George B. Naylor (1901-1985), Grace A. Naylor (1902-1959), Herbert V. Naylor (1913-1917, 1987), Rev. William H. Naylor (1910-1990), Other Naylor Photographs ([186-?]-1929), and Boats and Shipping ([187-?]-[191-?]).

The sub-series contains primary source information on the establishment, construction, and activities of the St. Thomas Anglican Church in Clarenceville from 1815 to 1915. It consists of lists of subscribers, receipts and contracts for construction and repairs, and a programme for the centennial anniversary of the church. In particular, the Mayo, Billings, Derick/Derck, and Vaughan families were implicated in the church's founding.

The sub-series contains information on the property of Elizabeth Derick in Noyan in 1852. It consists of a copy of a land transaction between Elizabeth Derick and her nephew, David Derick.

The sub-series contains information on the property and military life of William Derick II in Noyan from 1847 to 1852. It consists of copies and original land transactions between William Derick II, Joseph Swan, and Gabriel Christie; and military appointment certificates for the Battalion of Rouville Militia.

The file contains secondary and primary source information on the personal and professional life and military career Reuben H. Vaughan in Missisquoi County from 1839 to the 1980s. It consists of a certificate of appointment as ensign to the 3rd Battalion of Rouville; a memorandum; a court ruling; biographies; information on his tombstone; photocopies of receipts, shipping documents and biographical information; and a diary and transcripts.

The sub-series contains information on the property of Robert Derick from 1843 to 1857. It consists of two land transactions, the first transferring the Derick tavern and inn from William Derick to Reuben C. Derick and the second transferring the tavern from Reuben C. Derick to Robert Derick.

The sub-series contains primary source information on the life Charles Derick in Noyan from1841 to 1910. It consists of a journal with remarks on Charles' activities and family, land transactions, a marriage certificate, and correspondence.

The file contains information on the 21st Richelieu Light Infantry from 1839 to 1992. It consists of reproductions of a pay sheet, an acquittance roll, and the address given by Mrs. Stewart at the presentation of a flag to the battalion and the reply of Capt. Charles S. Rowe. It also includes a paper written by Herbert Derick on the flag of the 21st Battalion and three photos of the flag.

The file contains information on the Clarenceville Rangers from 1838 to 1839. It consists of reproductions of an appointment certificate for A.H. Vaughan to captain of the Rangers and a letter, and a statement of ammunition.

The file contains information on the 1st Battlalion Militia of the Eastern Townships from 1837 to 1991. It consists of reproductions of militia lists, an appointment certficate, service roll, an article on the Battle of Lacolle Mill by Herbert Derick, and a declartion of loyalty to the Crown in the context of the 1837 Rebellions.

The sub-series contains information on the life John P. Derick in Noyan from 1816 to 1853. It consists of land transactions and a last will and testament.