This collection is diverse. Most of the material relates to the counties of York and Sunbury, but a wide variety of topics relating generally to New Brunswick are also included. There are 88 manuscript series.

MS1 York-Sunbury Historical Society records;
MS2 Transcripts of addresses delivered to the York Sunbury Historical Society;
MS3 Lillian Maxwell genealogical correspondence;
MS4 Lillian Maxwell historical research papers;
MS5 Burpee family papers;
MS6 Richard Bellamy papers;
MS7 W.H. Street and J.A.S. Street records;
MS8 Stephen Glasier papers
MS9 Charles N. Skinner records;
MS 10 Babbitt family papers;
MS11 Dr. Benjamin Coburn papers;
MS12 Benjamin Atherton records;
MS13 Fowler Boer War (South African War) collection;
MS14 Jonathan Odell papers;
MS15 G. Harold Markham military collection;
MS16 Wolhaupter family collection;
MS17 Whelpley collection;
MS18 Miscellaneous correspondence;
MS19 Clippings;
MS20 Genealogical charts and family history papers;
MS21 Speeches and addresses;
MS22 Historical essays and research notes;
MS23 Diaries and notebooks;
MS24 Leases;
MS25 Deeds;
MS26 Crown lands;
MS27 Mortgages;
MS28 Indentures of sale;
MS29 General land papers;
MS30 Lawyers papers;
MS31 Sheriffs' papers;
MS32 Powers of attorney;
MS33 Vital statistics;
MS34 Apprenticeship papers;
MS35 Probate papers;
MS36 Legal investigation papers;
MS37 Insurance policies;
MS38 Hazen, White and Company records;
MS39 Star Line Steamship Company records;
MS40 Ships' papers;
MS41 Business records;
MS42 Bills, cheques, invoices and receipts;
MS43 Maps and plans;
MS44 Photographs and pictures;
MS45 Meteorological registers of Fredericton;
MS46 Research notes on historic buildings;
MS47 Hymns, music, poetry and prose;
MS48 Programmes and invitations;
MS49 Printed matter;
MS50 Military commissions and certificates;
MS51 Warrants;
MS52 Civil commissions;
MS53 Social and athletic club papers;
MS54 Education papers;
MS55 Fredericton papers;
MS56 Indian papers;
MS57 Cemetery papers;
MS58 Military papers;
MS59 Theodore Porter papers;
MS60 Government records;
MS61 Records of the Fredericton Society of St. Andrew;
MS62 Kingston family records;
MS63 George Gilman papers;
MS64 Montgomery-Campbell family papers;
MS65 H.F.G. Woodbridge papers;
MS66 Jack Johnston collection;
MS67 Charles W. Darcus papers;
MS68 Charlotte C. Saunders collection;
MS69 G. Alvah Good Collection;
MS70 Oromocto Pioneer Days;
MS71 Peter Young McLaggan papers;
MS72 George R. Spencer papers;
MS73 Styron family collection;
MS74 Robert Borden Forbes papers;
MS75 Ashburnham family ;
MS76 Food and health papers;
MS77 Tape recordings;
MS78 Jessie B. Segee papers;
MS79 Patents;
MS80 William G. Quinn collection
MS81 Hon. Thomas Temple papers;
MS82 John Hill collection;
MS83 Anne McKeen collection;
MS84 George Taylor papers;
MS85 Lieutenant- Governor George Stracey Smyth;
MS86 Brigadier the Honourable Milton F. Gregg;
MS87 François La Roche correspondence;
MS88 Newspapers, magazines and periodicals inventory

This fonds consists of the personal papers of the Spinney family, as well deeds and court documents, and flyers, programs, newspapers, scrapbooks, and other gathered by the family (primarily Llewellyn Spinney) relating to local and world events connected to St George and Charlotte County as a whole. The documents particularly relate to the First and Second World Wars, the Eastern Pulp Wood Co., Ford automobiles, businesses of St George, the Utopia Centre, Black's Harbour high school, James Mollison and the American Flyers, church events, the Royal Family, and rum running.

This fonds consists of the firm's precedents and briefs with emphasis on the decade following 1920. Much of the collection reflects the work of Charles S. Sanford, M. Gerald Teed, and John P. Palmer. The fonds has a broad geographical span. The cases are civil, not criminal, with a focus on corporate and trust company law.

The fonds needs more detailed arrangement and description.

This fonds documents Oswald Crocket's political and personal activities. It reflects his involvement with his constituency, particularly in relation to the militia, rural mail contracts, public works, election campaigns, and the Intercolonial Railway as well as his political activities in relation to government departments and agencies, such as fisheries, Indian affairs, inland revenue, the interior, justice, labour, Civil Service Board, and King's Printer.

The fonds consists of political and family correspondence, materials relating to the St. Andrew's Society of Fredericton (1830s-1950s), and newspaper clippings.

Material related to court cases overseen by Charlotte County Justice of the Peace Peter M. Abbot. The different types of material include applications for insurance with some related financial documents attached, letters detailing complaints which have been brought before the Justice of the Peace, court proceedings with attached court summons and correspondence related to the cases attached, and a petition to the Legislature. Most of the material is related to debt cases in the Small Claims Court and includes affidavits, executions of debt, summons, and proceedings. Bills, account statements, receipts, and notes related to the debt cases are also often attached.

This collection contains clippings from newspaper articles related to the Charlotte County area which cannot be directly associated with any specific newspaper and are sometimes incomplete. Different types of articles include genealogical information, obituaries, special local events, and news related to businesses.

This collection contains transcriptions of acts of New Brunswick’s Legislative Council, most of which are related to business which operated in the St. Andrews Area. Acts of the Legislature could include outlines of the structure of different aspects of New Brunswick society, incorporation of businesses and other business affairs, legal affairs, environmental policy, and much more.

These fonds contain items related to the McDole family of Harvey settlement, New Brunswick, including an estate probate of the grandfather of a “Miss McDole”.

This collection contains documents related to a pipeline project by the Maritimes and Northeast Pipeline, which would bring natural gas from Sable Island to the Saint John region, as well as the Charlotte County region through a lateral addition that would extend south of Lake Utopia. Contains newspaper articles on the project, as well as articles by Mike Whalen representing the Maritimes and Northeast Pipeline and answering questions. Also included are announcements of open houses and informational documents, pamphlets, and booklets. These informational documents discuss both the Maritimes and Northeast Pipeline Project itself, as well as pipelines and natural gas in general.

The fonds consists of 1 volume of records of liquor offences which occurred in the City and County of Saint John, New Brunswick during the period 1913-1917. The offences took place in the parishes of Lancaster, Simonds, and St. Martins. Information includes names of offenders, the stipendary magistrates, and the chief inspectors as well as the nature of the offence, the fines levied and the parish. There are several repeat offenders in these records. Offences included keeping liquor for sale or barter and selling liquor without a license.