Fonds consists of records of Palgrave Methodist Circuit (includes Palgrave, King Church in King Township, Siloh Church in Albion Township, Churchill Church in Tecumseth Township), 1885-1924; subscription lists of Shiloh Methodist Church in Albion Township, 1921; records of Palgrave Methodist Church, 1904-1918; records of Macville Methodist Church, 1913-1924; Sunday School membership lists of King Methodist Church in King Township, 1919-1922; Official Board minutes of Palgrave - Mono Mills Pastoral Charge (includes Palgrave Pastoral Charge [inlcudes Palgrave, Shiloh Church in Albion Township, King Church in King Township, Castlederg, Macville], Adjala, Hockley, Macville, Mono Mills, Palgrave), 1964-1973; records, including baptisms, 1914-1956, marriages, 1915-1948, burials, 1914-1951, of Bolton Pastoral Charge (includes Bolton, Palgrave, Macville, Castlederg, Palgrave Methodist Circuit, Palgrave Pastoral charge [includes Palgrave, King (now King City), Shiloh]), 1914-1957; records of Palgrave Pastoral Charge (includes Palgrave Methodist Circuit, Palgrave, Shiloh Church in Albion Township, King Church in King Township, Castlederg, Macville), 1918-1976; collection book of King United Church in King Township, 1919-1922; records of Macville United Church (includes Macville Methodist Church), 1924-1976; records of Castlederg United Church, 1933-1965; records, including baptisms, 1896-1910, baptism stubs, 1933-1941, marriages, 1858-1887, 1958, of Palgrave United Church (includes Albion Primitive Methodist Circuit [includes Bolton, Albion, Columbia (now Coventry), Tecumseth Township, Shiloh in Albion Township, Caledon East, King Township, Palgrave], Palgrave Methodist Circuit), 1858-2006.

The fonds consists primarily of personal and company records from Johnson’s career at Malton, first at National Steel Car and Foundry, then Victory Aircraft Limited, Avro Aircraft Limited, De Havilland Aircraft of Canada Limited, Douglas Aircraft Company, and McDonnell Douglas. There is also some early material from when he lived in Montreal, including photographs taken while he worked at Fairchild Aircraft Limited, and material from at least one relative that also had experiences in aviation, as well as a few drawings published by the Canadian Aviation Historical Society. The fonds has been arranged in seven series: JOH-1 National Steel Car and Foundry and Victory Aircraft Limited; JOH-2 Avro and De Havilland; JOH-3 McDonnell Douglas; JOH-4 Scrapbook and Photograph Books; JOH-5 Montages; JOH-6 Photographs; and, JOH-7 Drawings.