This collection consists of textbooks; correspondence; articles; pamphlets; newspaper articles; bulletins; guidebooks; booklets; registration forms; maps; master plans; inventories; indexes; publications; slides; reports; conference and symposium programmes; speaker biographies; mailing lists; business cards; hand-written notes; photocopied articles and appendices; presentations; and reference lists created by Canadian conference organizers and their participants with a focus on horticulture, landscape, garden history, and historical farms and museums.

The fonds consists of photographic negatives featuring members of the Patteson family. Most of the photographs on the glass plate negatives were taken by Rose MacInnes (nee Patteson) and feature the Pattesons on their estate in Eastwood, Ontario (the former Admiral Henry Vansittart property). The film negatives feature Daisy (Christine Millicent) Moss (nee Patteson) and her son Pat (Thomas) Moss.

It is arranged into the following series and subseries:

Series 1: Glass Negatives - Eastwood
Series 2: Film Negatives - Pat & Daisy Moss

Fonds consists of records, including baptisms, 1835-1847, marriage, 1836, of Gainsboro Methodist Episcopal Circuit (includes Niagara Methodist Episcopal Circuit, Canboro Methodist Episcopal Circuit, Caistor, Wainfleet, Pelham, Thorold, Lyon's Creek, Smithville), 1835-1855; subscription list of Smithville Methodist Episcopal Church, 1855; records, including marriages, 1884-1911, of Smithville Methodist Circuit (includes Smithville Wesleyan Methodist Circuit, Smithville, Grace Church in Gainsboro Township, Woodburn, Salem, Mingle Hill, Sunnydale, Buckbee, Eden, Angelical), 1859-1911; records of Smithville Methodist Church (includes Smithville Wesleyan Methodist Church), 1851-1922; records, including marriages, 1926-1942, of Smithville Pastoral Charge (includes Smithville Methodist Circuit, Smithville, Grace Church in Gainsboro Township), 1888-1970; Congregational minutes of Grace United Church, Gainsboro Township, 1950-1969; records of Smithville United Church (includes Smithville Methodist Church), 1911-1996.

Fonds consists of records, including marriages, 1933-1973, of Stamford United Church, 1926-2009.

Fonds consists of records of St. John's Evangelical and Reformed Church, Snyder, 1873-1956; records of Willoughby Evangelical Church, 1863-1943; records of Willoughby Evangelical United Brethren (includes Willoughby Evangelical Church), 1945-1967; records of Stevensville-Snyder-Willoughby Pastoral Charge (includes Stevensville-Snyder Pastoral Charge and Stevensville-St. John’s-Willoughby Pastoral Charge, Stevensville, St. John’s Church in Snyder and Willoughby), 1975-1991; records of Stevensville United Church (includes Stevensville Methodist Church, Stevensville Methodist Circuit (including Bethel United Church, Sherkston United Church and Stevensville United Church) and Fort Erie (Queen St.) and Stevensville Pastoral Charge), 1886-1990; records of St. John's United Church, Snyder (includes St. John’s Evangelical and Reformed Church, Stevensville-Snyder Pastoral Charge), 1947-1991; records of Willoughby United Church (includes Willoughby Evangelical United Brethren Church, Stevensville-Snyder-Willoughby Pastoral Charge), 1949-1992.

Fonds consists of records, including marriages, 1896-1922, of Morrison Street Methodist Church, Niagara Falls, 1863-1925; and records, including baptisms, 1915-2007, marriages, 1922-2007, burials, 1915-2008, of Morrison Street United Church, Niagara Falls (includes Morrison Street Methodist Church), 1863-2008

Fonds consists of records of Drummondville Wesleyan Methodist Circuit (includes Stamford Wesleyan Methodist Circuit, Lundy’s Lane, Stamford, Queenston, Niagara, Clifton, Lawrenceville, Chippawa, and Drummondville (now Drummondville West), 1845-1897; records of Lundy’s Lane Wesleyan Methodist Church (includes Drummondville), 1839-1866; records, including baptisms, 1900-1920, marriages, 1896-1917, 1900-1922, and burials, 1900-1922, of Lundy’s Lane Methodist Church (includes Drummondville), 1851-1925; records, including baptisms, 1912-1940, 1949-1992, marriages, 1906-1910, 1917-1918, 1922-1958, and burials, 1922-2004, of Lundy’s Lane United Church (includes Lundy’s Lane Methodist Church), 1912-2015. Fonds also consists of minister's correspondence with soldiers during World War II, primarily while stationed across Canada and also a few letters from Europe, 1941-1945.

Fonds consists of records, including baptisms, 1929-1944, 1966-1983, marriages, 1929-1958, 1966-1984, burials, 1926-1966, 1967-1986, of Hungarian United Churches, Port Colborne, Niagara Falls, Welland), 1929-1988; records of Port Colborne Hungarian Reformed Church, 1929-1984.

Fonds consists of records of Fonthill Methodist Circuit (includes Fonthill and Allanburg), 1901-1925; records of Fonthill Methodist Church (includes Fonthill Wesleyan Methodist Church), 1857-1910; property records of Allanburg Methodist Church, 1903-1919; records of Fonthill Pastoral Charge (includes Fonthill and Allanburg), 1926-1936; property records of Allanburg United Church, 1937-1941; records, including baptisms, 1896-1985, marriages, 1904-1953, 1960-1977, and burials, 1904-1978, of Fonthill United Church (includes Fonthill Methodist Church), 1895-2015

Fonds consists of records, including baptisms, 1960-1996, marriages, 1962-1997, burials, 1963-2002, of Dain City United Church, Welland, 1960-2003.

Fonds consists of records, including baptisms, 1960-1973, marriages, 1963-2002, and burials, 1963-2003, of St. Paul's - Chippawa United Church, 1960-2003.

Fonds consists of records of Kitchener Street Union Church, Niagara Falls, 1916-1925; records, including baptisms, 1923-1976, baptismal stubs, 1985-1990, marriages, 1916-1976, burials, 1929-1992, of Kitchener Street United Church, Niagara Falls (includes Kitchener Street Union Church, St. Paul's Chippawa United Church in Niagara Falls), 1916-1992.

Joint Official Board minutes, 1978-1985 (includes St. Paul's Chippawa United Church, Hamilton), membership records, groups’ records, architectural drawings and other records of Kitchener Street United Church, Niagara Falls (includes Kitchener Street Union Church), 1922-1992.

Fonds consists of records, including baptisms, 1973-2002, marriages, 1886-2002, and burials, 1886-2004, of Lowbanks United Church, 1886-2007.

Fonds consists of records, including baptisms, 1907-1908, burials, 1896-1912, of Port Robinson Methodist Circuit (includes Crowland, Lyon's Creek, Chippawa Methodist Episcopal Circuit), 1877-1914; records, including baptisms, 1917, of Port Robinson Methodist Church, 1914-1919; records, including baptisms, 1914-1965, marriages, 1915-1964, burials, 1914-1963, of Port Robinson Pastoral Charge (includes Lyons, Cook's Mills, Mount Vernon, Port Robinson Methodist Circuit), 1884-1964; records of Port Robinson United Church, 1941-1968; Ladies Aid/Woman's Association minutes of Lyons Creek United Church (includes Lyons Creek Methodist Church), 1922-1961

Fonds consists of baptisms, 1805, Quarterly Board minutes/financial account book, 1795-1823, of Niagara Methodist Episcopal Circuit (includes Thorold, Beaverdams (Beaverdam), Chippawa, Thirty Mile Creek Church in Clinton Township, Fifty Mile Creek Church, Fort Erie, Lanes Chapel, Red Meeting House in Stamford Township, Warner's Chapel in Niagara Township (now Niagara On The Lake), Stoney Creek).

Fonds consists of Official Board minutes of Queenston Heights Methodist Circuit (includes Queenston, Stamford, St. David's, Grimsby), 1883-1918; records, including baptisms, 1918-1965, marriages, 1918-1967, burials, 1918-1967, of St. David's - Queenston Pastoral Charge (includes Queenston Heights Methodist Circuit, St. David's, Queenston), 1913-1979; records of St. David's United Church, 1928-1991; congregational minutes of Queenston United Church, 1949-1983

Fonds consists of baptisms, 1866-1893, marriages, 1857-1924, of St. Andrew's Presbyterian Church, Niagara Falls; marriages, 1925-1926, burials, 1931-1969, of St. Andrew's United Church, Niagara Falls (includes St. Andrew's Presbyterian Church).

Fonds consists of marriage register of Ridgeway Methodist Circuit, 1890-1896.

Fonds consists of Trustees minutes and deed of Beaverdams Wesleyan Methodist Chapel, 1842-1859; records of Thorold Wesleyan Methodist Church (includes Fonthill, St. John's (now St. John's West), 1843-1867; records, including marriages, 1898-1912, of Thorold Methodist Church (includes Thorold Wesleyan Methodist Church), 1854-1915; records, including baptisms, 1919-1962, marriages, 1912-1967, burials, 1921-1969, of Trinity United Church, Thorold (includes Thorold Wesleyan Methodist Church, Thorold Methodist Church), 1860-1969

Fonds consists of records of Pelham Centre Evangelical Association Church (includes Niagara Evangelical Association Mission [includes Pelham Centre, Willoughby Township, Chippawa]), 1864-1922; records of Pelham Centre Evangelical Church (includes Pelham Centre Evangelical Association Church), 1917-1925; records, including marriages, 1900-1954, of Pelham Centre Evangelical United Brethren Church (includes Pelham Centre Evangelical Association Church, Pelham Centre Evangelical Church), 1900-1964; records, including baptisms, 1894-1969, marriages, 1894-1958, of Pelham Centre United Church (includes Niagara Evangelical Association Mission, Pelham Centre Evangelical Church, Pelham Centre Evangelical United Brethren Church), 1894-1969